21 lines
577 B
Text
21 lines
577 B
Text
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=== tests/cases/compiler/inferentialTypingWithFunctionType2.ts ===
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function identity<A>(a: A): A {
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>identity : <A>(a: A) => A
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>A : A
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>a : A
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>A : A
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>A : A
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return a;
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>a : A
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}
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var x = [1, 2, 3].map(identity)[0];
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>x : number
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>[1, 2, 3].map(identity)[0] : number
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>[1, 2, 3].map(identity) : number[]
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>[1, 2, 3].map : <U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any) => U[]
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>[1, 2, 3] : number[]
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>map : <U>(callbackfn: (value: number, index: number, array: number[]) => U, thisArg?: any) => U[]
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>identity : <A>(a: A) => A
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