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=== tests/cases/conformance/inferFromBindingPattern.ts ===
declare function f1<T extends string>(): T;
>f1 : <T extends string>() => T
declare function f2<T extends string>(): [T];
>f2 : <T extends string>() => [T]
declare function f3<T extends string>(): { x: T };
>f3 : <T extends string>() => { x: T;}
>x : T
let x1 = f1(); // string
>x1 : string
>f1() : string
>f1 : <T extends string>() => T
let [x2] = f2(); // string
>x2 : string
>f2() : [string]
>f2 : <T extends string>() => [T]
let { x: x3 } = f3(); // string
>x : any
>x3 : string
>f3() : { x: string; }
>f3 : <T extends string>() => { x: T; }
// Repro from #30379
function foo<T = number>(): [T] {
>foo : <T = number>() => [T]
return [42 as any]
>[42 as any] : [any]
>42 as any : any
>42 : 42
}
const [x] = foo(); // [number]
>x : number
>foo() : [number]
>foo : <T = number>() => [T]
// Repro from #35291
interface SelectProps<T, K> {
selector?: (obj: T) => K;
>selector : ((obj: T) => K) | undefined
>obj : T
}
type SelectResult<T, K> = [K, T];
>SelectResult : SelectResult<T, K>
interface Person {
name: string;
>name : string
surname: string;
>surname : string
}
declare function selectJohn<K = Person>(props?: SelectProps<Person, K>): SelectResult<Person, K>;
>selectJohn : <K = Person>(props?: SelectProps<Person, K>) => SelectResult<Person, K>
>props : SelectProps<Person, K> | undefined
const [person] = selectJohn();
>person : Person
>selectJohn() : SelectResult<Person, Person>
>selectJohn : <K = Person>(props?: SelectProps<Person, K> | undefined) => SelectResult<Person, K>
const [any, whatever] = selectJohn();
>any : Person
>whatever : Person
>selectJohn() : SelectResult<Person, Person>
>selectJohn : <K = Person>(props?: SelectProps<Person, K> | undefined) => SelectResult<Person, K>
const john = selectJohn();
>john : SelectResult<Person, Person>
>selectJohn() : SelectResult<Person, Person>
>selectJohn : <K = Person>(props?: SelectProps<Person, K> | undefined) => SelectResult<Person, K>
const [personAgain, nufinspecial] = john;
>personAgain : Person
>nufinspecial : Person
>john : SelectResult<Person, Person>
// Repro from #35291
declare function makeTuple<T1>(arg: T1): [T1];
>makeTuple : <T1>(arg: T1) => [T1]
>arg : T1
declare function stringy<T = string>(arg?: T): T;
>stringy : <T = string>(arg?: T) => T
>arg : T | undefined
const isStringTuple = makeTuple(stringy()); // [string]
>isStringTuple : [string]
>makeTuple(stringy()) : [string]
>makeTuple : <T1>(arg: T1) => [T1]
>stringy() : string
>stringy : <T = string>(arg?: T | undefined) => T
const [isAny] = makeTuple(stringy()); // [string]
>isAny : string
>makeTuple(stringy()) : [string]
>makeTuple : <T1>(arg: T1) => [T1]
>stringy() : string
>stringy : <T = string>(arg?: T | undefined) => T
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