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=== tests/cases/conformance/functions/strictBindCallApply1.ts ===
declare function foo(a: number, b: string): string;
>foo : (a: number, b: string) => string
>a : number
>b : string
declare function overloaded(s: string): number;
>overloaded : { (s: string): number; (n: number): string; }
>s : string
declare function overloaded(n: number): string;
>overloaded : { (s: string): number; (n: number): string; }
>n : number
declare function generic<T>(x: T): T;
>generic : <T>(x: T) => T
>x : T
let f00 = foo.bind(undefined);
>f00 : (a: number, b: string) => string
>foo.bind(undefined) : (a: number, b: string) => string
>foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>foo : (a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
let f01 = foo.bind(undefined, 10);
>f01 : (b: string) => string
>foo.bind(undefined, 10) : (b: string) => string
>foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>foo : (a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
let f02 = foo.bind(undefined, 10, "hello");
>f02 : () => string
>foo.bind(undefined, 10, "hello") : () => string
>foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>foo : (a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
>"hello" : "hello"
let f03 = foo.bind(undefined, 10, 20); // Error
>f03 : () => string
>foo.bind(undefined, 10, 20) : () => string
>foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>foo : (a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
>20 : 20
let f04 = overloaded.bind(undefined); // typeof overloaded
>f04 : { (s: string): number; (n: number): string; }
>overloaded.bind(undefined) : { (s: string): number; (n: number): string; }
>overloaded.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>overloaded : { (s: string): number; (n: number): string; }
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
let f05 = generic.bind(undefined); // typeof generic
>f05 : <T>(x: T) => T
>generic.bind(undefined) : <T>(x: T) => T
>generic.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>generic : <T>(x: T) => T
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
let c00 = foo.call(undefined, 10, "hello");
>c00 : string
>foo.call(undefined, 10, "hello") : string
>foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>foo : (a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>undefined : undefined
>10 : 10
>"hello" : "hello"
let c01 = foo.call(undefined, 10); // Error
>c01 : string
>foo.call(undefined, 10) : string
>foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>foo : (a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>undefined : undefined
>10 : 10
let c02 = foo.call(undefined, 10, 20); // Error
>c02 : string
>foo.call(undefined, 10, 20) : string
>foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>foo : (a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>undefined : undefined
>10 : 10
>20 : 20
let c03 = foo.call(undefined, 10, "hello", 30); // Error
>c03 : string
>foo.call(undefined, 10, "hello", 30) : string
>foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>foo : (a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>undefined : undefined
>10 : 10
>"hello" : "hello"
>30 : 30
let a00 = foo.apply(undefined, [10, "hello"]);
>a00 : string
>foo.apply(undefined, [10, "hello"]) : string
>foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>foo : (a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>undefined : undefined
>[10, "hello"] : [number, string]
>10 : 10
>"hello" : "hello"
let a01 = foo.apply(undefined, [10]); // Error
>a01 : string
>foo.apply(undefined, [10]) : string
>foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>foo : (a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>undefined : undefined
>[10] : [number]
>10 : 10
let a02 = foo.apply(undefined, [10, 20]); // Error
>a02 : string
>foo.apply(undefined, [10, 20]) : string
>foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>foo : (a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>undefined : undefined
>[10, 20] : [number, number]
>10 : 10
>20 : 20
let a03 = foo.apply(undefined, [10, "hello", 30]); // Error
>a03 : string
>foo.apply(undefined, [10, "hello", 30]) : string
>foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>foo : (a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>undefined : undefined
>[10, "hello", 30] : [number, string, number]
>10 : 10
>"hello" : "hello"
>30 : 30
class C {
>C : C
constructor(a: number, b: string) {}
>a : number
>b : string
foo(this: this, a: number, b: string): string { return "" }
>foo : (this: this, a: number, b: string) => string
>this : this
>a : number
>b : string
>"" : ""
overloaded(s: string): number;
>overloaded : { (s: string): number; (n: number): string; }
>s : string
overloaded(n: number): string;
>overloaded : { (s: string): number; (n: number): string; }
>n : number
overloaded(x: any): any { return <any>undefined }
>overloaded : { (s: string): number; (n: number): string; }
>x : any
><any>undefined : any
>undefined : undefined
generic<T>(x: T): T { return x }
>generic : <T>(x: T) => T
>x : T
>x : T
}
declare let c: C;
>c : C
declare let obj: {};
>obj : {}
let f10 = c.foo.bind(c);
>f10 : (a: number, b: string) => string
>c.foo.bind(c) : (a: number, b: string) => string
>c.foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
let f11 = c.foo.bind(c, 10);
>f11 : (b: string) => string
>c.foo.bind(c, 10) : (b: string) => string
>c.foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
>10 : 10
let f12 = c.foo.bind(c, 10, "hello");
>f12 : () => string
>c.foo.bind(c, 10, "hello") : () => string
>c.foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
>10 : 10
>"hello" : "hello"
let f13 = c.foo.bind(c, 10, 20); // Error
>f13 : () => string
>c.foo.bind(c, 10, 20) : () => string
>c.foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
>10 : 10
>20 : 20
let f14 = c.foo.bind(undefined); // Error
>f14 : (a: number, b: string) => string
>c.foo.bind(undefined) : (a: number, b: string) => string
>c.foo.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>undefined : undefined
let f15 = c.overloaded.bind(c); // typeof C.prototype.overloaded
>f15 : { (s: string): number; (n: number): string; }
>c.overloaded.bind(c) : { (s: string): number; (n: number): string; }
>c.overloaded.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.overloaded : { (s: string): number; (n: number): string; }
>c : C
>overloaded : { (s: string): number; (n: number): string; }
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
let f16 = c.generic.bind(c); // typeof C.prototype.generic
>f16 : <T>(x: T) => T
>c.generic.bind(c) : <T>(x: T) => T
>c.generic.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c.generic : <T>(x: T) => T
>c : C
>generic : <T>(x: T) => T
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>c : C
let c10 = c.foo.call(c, 10, "hello");
>c10 : string
>c.foo.call(c, 10, "hello") : string
>c.foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c : C
>10 : 10
>"hello" : "hello"
let c11 = c.foo.call(c, 10); // Error
>c11 : string
>c.foo.call(c, 10) : string
>c.foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c : C
>10 : 10
let c12 = c.foo.call(c, 10, 20); // Error
>c12 : string
>c.foo.call(c, 10, 20) : string
>c.foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c : C
>10 : 10
>20 : 20
let c13 = c.foo.call(c, 10, "hello", 30); // Error
>c13 : string
>c.foo.call(c, 10, "hello", 30) : string
>c.foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c : C
>10 : 10
>"hello" : "hello"
>30 : 30
let c14 = c.foo.call(undefined, 10, "hello"); // Error
>c14 : string
>c.foo.call(undefined, 10, "hello") : string
>c.foo.call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>call : <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, ...args: A) => R
>undefined : undefined
>10 : 10
>"hello" : "hello"
let a10 = c.foo.apply(c, [10, "hello"]);
>a10 : string
>c.foo.apply(c, [10, "hello"]) : string
>c.foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c : C
>[10, "hello"] : [number, string]
>10 : 10
>"hello" : "hello"
let a11 = c.foo.apply(c, [10]); // Error
>a11 : string
>c.foo.apply(c, [10]) : string
>c.foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c : C
>[10] : [number]
>10 : 10
let a12 = c.foo.apply(c, [10, 20]); // Error
>a12 : string
>c.foo.apply(c, [10, 20]) : string
>c.foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c : C
>[10, 20] : [number, number]
>10 : 10
>20 : 20
let a13 = c.foo.apply(c, [10, "hello", 30]); // Error
>a13 : string
>c.foo.apply(c, [10, "hello", 30]) : string
>c.foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c : C
>[10, "hello", 30] : [number, string, number]
>10 : 10
>"hello" : "hello"
>30 : 30
let a14 = c.foo.apply(undefined, [10, "hello"]); // Error
>a14 : string
>c.foo.apply(undefined, [10, "hello"]) : string
>c.foo.apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>c.foo : (this: C, a: number, b: string) => string
>c : C
>foo : (this: C, a: number, b: string) => string
>apply : { <T, R>(this: (this: T) => R, thisArg: T): R; <T, A extends any[], R>(this: (this: T, ...args: A) => R, thisArg: T, args: A): R; }
>undefined : undefined
>[10, "hello"] : [number, string]
>10 : 10
>"hello" : "hello"
let f20 = C.bind(undefined);
>f20 : typeof C
>C.bind(undefined) : typeof C
>C.bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>C : typeof C
>bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>undefined : undefined
let f21 = C.bind(undefined, 10);
>f21 : new (b: string) => C
>C.bind(undefined, 10) : new (b: string) => C
>C.bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>C : typeof C
>bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
let f22 = C.bind(undefined, 10, "hello");
>f22 : new () => C
>C.bind(undefined, 10, "hello") : new () => C
>C.bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>C : typeof C
>bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
>"hello" : "hello"
let f23 = C.bind(undefined, 10, 20); // Error
>f23 : new () => C
>C.bind(undefined, 10, 20) : new () => C
>C.bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>C : typeof C
>bind : { <T>(this: T, thisArg: any): T; <A0, A extends any[], R>(this: new (arg0: A0, ...args: A) => R, thisArg: any, arg0: A0): new (...args: A) => R; <A0, A1, A extends any[], R>(this: new (arg0: A0, arg1: A1, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1): new (...args: A) => R; <A0, A1, A2, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2): new (...args: A) => R; <A0, A1, A2, A3, A extends any[], R>(this: new (arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: any, arg0: A0, arg1: A1, arg2: A2, arg3: A3): new (...args: A) => R; <AX, R>(this: new (...args: AX[]) => R, thisArg: any, ...args: AX[]): new (...args: AX[]) => R; }
>undefined : undefined
>10 : 10
>20 : 20
C.call(c, 10, "hello");
>C.call(c, 10, "hello") : void
>C.call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>C : typeof C
>call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>c : C
>10 : 10
>"hello" : "hello"
C.call(c, 10); // Error
>C.call(c, 10) : void
>C.call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>C : typeof C
>call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>c : C
>10 : 10
C.call(c, 10, 20); // Error
>C.call(c, 10, 20) : void
>C.call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>C : typeof C
>call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>c : C
>10 : 10
>20 : 20
C.call(c, 10, "hello", 30); // Error
>C.call(c, 10, "hello", 30) : void
>C.call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>C : typeof C
>call : <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, ...args: A) => void
>c : C
>10 : 10
>"hello" : "hello"
>30 : 30
C.apply(c, [10, "hello"]);
>C.apply(c, [10, "hello"]) : void
>C.apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>C : typeof C
>apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>c : C
>[10, "hello"] : [number, string]
>10 : 10
>"hello" : "hello"
C.apply(c, [10]); // Error
>C.apply(c, [10]) : void
>C.apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>C : typeof C
>apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>c : C
>[10] : [number]
>10 : 10
C.apply(c, [10, 20]); // Error
>C.apply(c, [10, 20]) : void
>C.apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>C : typeof C
>apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>c : C
>[10, 20] : [number, number]
>10 : 10
>20 : 20
C.apply(c, [10, "hello", 30]); // Error
>C.apply(c, [10, "hello", 30]) : void
>C.apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>C : typeof C
>apply : { <T>(this: new () => T, thisArg: T): void; <T, A extends any[]>(this: new (...args: A) => T, thisArg: T, args: A): void; }
>c : C
>[10, "hello", 30] : [number, string, number]
>10 : 10
>"hello" : "hello"
>30 : 30
function bar<T extends unknown[]>(callback: (this: 1, ...args: T) => void) {
>bar : <T extends unknown[]>(callback: (this: 1, ...args: T) => void) => void
>callback : (this: 1, ...args: T) => void
>this : 1
>args : T
callback.bind(1);
>callback.bind(1) : (...args: T) => void
>callback.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>callback : (this: 1, ...args: T) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>1 : 1
callback.bind(2); // Error
>callback.bind(2) : (...args: T) => void
>callback.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>callback : (this: 1, ...args: T) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>2 : 2
}
function baz<T extends 1 | 2>(callback: (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void) {
>baz : <T extends 2 | 1>(callback: (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void) => void
>callback : (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>this : 1
>args : T extends 1 ? [unknown] : [unknown, unknown]
callback.bind(1);
>callback.bind(1) : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>callback.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>callback : (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>1 : 1
callback.bind(2); // Error
>callback.bind(2) : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>callback.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>callback : (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>2 : 2
}
// Repro from #32964
class Foo<T extends unknown[]> {
>Foo : Foo<T>
constructor() {
this.fn.bind(this);
>this.fn.bind(this) : (...args: T) => void
>this.fn.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>this.fn : (...args: T) => void
>this : this
>fn : (...args: T) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>this : this
}
fn(...args: T): void {}
>fn : (...args: T) => void
>args : T
}
class Bar<T extends 1 | 2> {
>Bar : Bar<T>
constructor() {
this.fn.bind(this);
>this.fn.bind(this) : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>this.fn.bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>this.fn : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>this : this
>fn : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>bind : { <T>(this: T, thisArg: ThisParameterType<T>): OmitThisParameter<T>; <T, A0, A extends any[], R>(this: (this: T, arg0: A0, ...args: A) => R, thisArg: T, arg0: A0): (...args: A) => R; <T, A0, A1, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1): (...args: A) => R; <T, A0, A1, A2, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2): (...args: A) => R; <T, A0, A1, A2, A3, A extends any[], R>(this: (this: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3, ...args: A) => R, thisArg: T, arg0: A0, arg1: A1, arg2: A2, arg3: A3): (...args: A) => R; <T, AX, R>(this: (this: T, ...args: AX[]) => R, thisArg: T, ...args: AX[]): (...args: AX[]) => R; }
>this : this
}
fn(...args: T extends 1 ? [unknown] : [unknown, unknown]) {}
>fn : (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void
>args : T extends 1 ? [unknown] : [unknown, unknown]
}
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