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//// [tests/cases/conformance/es6/spread/arraySpreadInCall.ts] ////
=== arraySpreadInCall.ts ===
declare function f1(a: number, b: number, c: number, d: number, e: number, f: number): void;
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>a : number
>b : number
>c : number
>d : number
>e : number
>f : number
f1(1, 2, 3, 4, ...[5, 6]);
>f1(1, 2, 3, 4, ...[5, 6]) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>1 : 1
>2 : 2
>3 : 3
>4 : 4
>...[5, 6] : number
>[5, 6] : [number, number]
>5 : 5
>6 : 6
f1(...[1], 2, 3, 4, 5, 6);
>f1(...[1], 2, 3, 4, 5, 6) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>...[1] : number
>[1] : [number]
>1 : 1
>2 : 2
>3 : 3
>4 : 4
>5 : 5
>6 : 6
f1(1, 2, ...[3, 4], 5, 6);
>f1(1, 2, ...[3, 4], 5, 6) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>1 : 1
>2 : 2
>...[3, 4] : number
>[3, 4] : [number, number]
>3 : 3
>4 : 4
>5 : 5
>6 : 6
f1(1, 2, ...[3], 4, ...[5, 6]);
>f1(1, 2, ...[3], 4, ...[5, 6]) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>1 : 1
>2 : 2
>...[3] : number
>[3] : [number]
>3 : 3
>4 : 4
>...[5, 6] : number
>[5, 6] : [number, number]
>5 : 5
>6 : 6
f1(...[1, 2], ...[3, 4], ...[5, 6]);
>f1(...[1, 2], ...[3, 4], ...[5, 6]) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>...[1, 2] : number
>[1, 2] : [number, number]
>1 : 1
>2 : 2
>...[3, 4] : number
>[3, 4] : [number, number]
>3 : 3
>4 : 4
>...[5, 6] : number
>[5, 6] : [number, number]
>5 : 5
>6 : 6
f1(...(([1, 2])), ...(((([3, 4])))), ...([5, 6]));
>f1(...(([1, 2])), ...(((([3, 4])))), ...([5, 6])) : void
>f1 : (a: number, b: number, c: number, d: number, e: number, f: number) => void
>...(([1, 2])) : number
>(([1, 2])) : [number, number]
>([1, 2]) : [number, number]
>[1, 2] : [number, number]
>1 : 1
>2 : 2
>...(((([3, 4])))) : number
>(((([3, 4])))) : [number, number]
>((([3, 4]))) : [number, number]
>(([3, 4])) : [number, number]
>([3, 4]) : [number, number]
>[3, 4] : [number, number]
>3 : 3
>4 : 4
>...([5, 6]) : number
>([5, 6]) : [number, number]
>[5, 6] : [number, number]
>5 : 5
>6 : 6
declare function f2<T extends unknown[]>(...args: T): T;
>f2 : <T extends unknown[]>(...args: T) => T
>args : T
const x21 = f2(...[1, 'foo'])
>x21 : [number, string]
>f2(...[1, 'foo']) : [number, string]
>f2 : <T extends unknown[]>(...args: T) => T
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x22 = f2(true, ...[1, 'foo'])
>x22 : [boolean, number, string]
>f2(true, ...[1, 'foo']) : [boolean, number, string]
>f2 : <T extends unknown[]>(...args: T) => T
>true : true
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x23 = f2(...([1, 'foo']))
>x23 : [number, string]
>f2(...([1, 'foo'])) : [number, string]
>f2 : <T extends unknown[]>(...args: T) => T
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x24 = f2(true, ...([1, 'foo']))
>x24 : [boolean, number, string]
>f2(true, ...([1, 'foo'])) : [boolean, number, string]
>f2 : <T extends unknown[]>(...args: T) => T
>true : true
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
declare function f3<T extends readonly unknown[]>(...args: T): T;
>f3 : <T extends readonly unknown[]>(...args: T) => T
>args : T
const x31 = f3(...[1, 'foo'])
>x31 : [number, string]
>f3(...[1, 'foo']) : [number, string]
>f3 : <T extends readonly unknown[]>(...args: T) => T
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x32 = f3(true, ...[1, 'foo'])
>x32 : [boolean, number, string]
>f3(true, ...[1, 'foo']) : [boolean, number, string]
>f3 : <T extends readonly unknown[]>(...args: T) => T
>true : true
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x33 = f3(...([1, 'foo']))
>x33 : [number, string]
>f3(...([1, 'foo'])) : [number, string]
>f3 : <T extends readonly unknown[]>(...args: T) => T
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x34 = f3(true, ...([1, 'foo']))
>x34 : [boolean, number, string]
>f3(true, ...([1, 'foo'])) : [boolean, number, string]
>f3 : <T extends readonly unknown[]>(...args: T) => T
>true : true
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
declare function f4<const T extends readonly unknown[]>(...args: T): T;
>f4 : <const T extends readonly unknown[]>(...args: T) => T
>args : T
const x41 = f4(...[1, 'foo'])
>x41 : readonly [number, string]
>f4(...[1, 'foo']) : readonly [number, string]
>f4 : <const T extends readonly unknown[]>(...args: T) => T
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x42 = f4(true, ...[1, 'foo'])
>x42 : readonly [true, number, string]
>f4(true, ...[1, 'foo']) : readonly [true, number, string]
>f4 : <const T extends readonly unknown[]>(...args: T) => T
>true : true
>...[1, 'foo'] : string | number
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x43 = f4(...([1, 'foo']))
>x43 : readonly [number, string]
>f4(...([1, 'foo'])) : readonly [number, string]
>f4 : <const T extends readonly unknown[]>(...args: T) => T
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
const x44 = f4(true, ...([1, 'foo']))
>x44 : readonly [true, number, string]
>f4(true, ...([1, 'foo'])) : readonly [true, number, string]
>f4 : <const T extends readonly unknown[]>(...args: T) => T
>true : true
>...([1, 'foo']) : string | number
>([1, 'foo']) : [number, string]
>[1, 'foo'] : [number, string]
>1 : 1
>'foo' : "foo"
// dicovered in #52845#issuecomment-1459132562
interface IAction {
run(event?: unknown): unknown;
>run : (event?: unknown) => unknown
>event : unknown
}
declare const action: IAction
>action : IAction
action.run(...[100, 'foo']) // error
>action.run(...[100, 'foo']) : unknown
>action.run : (event?: unknown) => unknown
>action : IAction
>run : (event?: unknown) => unknown
>...[100, 'foo'] : string | number
>[100, 'foo'] : [number, string]
>100 : 100
>'foo' : "foo"
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