1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
|
=== tests/cases/compiler/destructuringTuple.ts ===
declare var tuple: [boolean, number, ...string[]];
>tuple : [boolean, number, ...string[]]
const [a, b, c, ...rest] = tuple;
>a : boolean
>b : number
>c : string
>rest : string[]
>tuple : [boolean, number, ...string[]]
declare var receiver: typeof tuple;
>receiver : [boolean, number, ...string[]]
>tuple : [boolean, number, ...string[]]
[...receiver] = tuple;
>[...receiver] = tuple : [boolean, number, ...string[]]
>[...receiver] : [boolean, number, ...string[]]
>...receiver : string | number | boolean
>receiver : [boolean, number, ...string[]]
>tuple : [boolean, number, ...string[]]
// Repros from #32140
const [oops1] = [1, 2, 3].reduce((accu, el) => accu.concat(el), []);
>oops1 : any
>[1, 2, 3].reduce((accu, el) => accu.concat(el), []) : number
>[1, 2, 3].reduce : { (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number): number; (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number, initialValue: number): number; <U>(callbackfn: (previousValue: U, currentValue: number, currentIndex: number, array: number[]) => U, initialValue: U): U; }
>[1, 2, 3] : number[]
>1 : 1
>2 : 2
>3 : 3
>reduce : { (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number): number; (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number, initialValue: number): number; <U>(callbackfn: (previousValue: U, currentValue: number, currentIndex: number, array: number[]) => U, initialValue: U): U; }
>(accu, el) => accu.concat(el) : (accu: [], el: number) => never[]
>accu : []
>el : number
>accu.concat(el) : never[]
>accu.concat : { (...items: ConcatArray<never>[]): never[]; (...items: ConcatArray<never>[]): never[]; }
>accu : []
>concat : { (...items: ConcatArray<never>[]): never[]; (...items: ConcatArray<never>[]): never[]; }
>el : number
>[] : never[]
const [oops2] = [1, 2, 3].reduce((acc: number[], e) => acc.concat(e), []);
>oops2 : number
>[1, 2, 3].reduce((acc: number[], e) => acc.concat(e), []) : number[]
>[1, 2, 3].reduce : { (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number): number; (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number, initialValue: number): number; <U>(callbackfn: (previousValue: U, currentValue: number, currentIndex: number, array: number[]) => U, initialValue: U): U; }
>[1, 2, 3] : number[]
>1 : 1
>2 : 2
>3 : 3
>reduce : { (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number): number; (callbackfn: (previousValue: number, currentValue: number, currentIndex: number, array: number[]) => number, initialValue: number): number; <U>(callbackfn: (previousValue: U, currentValue: number, currentIndex: number, array: number[]) => U, initialValue: U): U; }
>(acc: number[], e) => acc.concat(e) : (acc: number[], e: number) => number[]
>acc : number[]
>e : number
>acc.concat(e) : number[]
>acc.concat : { (...items: ConcatArray<number>[]): number[]; (...items: (number | ConcatArray<number>)[]): number[]; }
>acc : number[]
>concat : { (...items: ConcatArray<number>[]): number[]; (...items: (number | ConcatArray<number>)[]): number[]; }
>e : number
>[] : never[]
|