24 lines
1.4 KiB
Plaintext
24 lines
1.4 KiB
Plaintext
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=== tests/cases/compiler/contextualTypingWithGenericSignature.ts ===
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// If e is a FunctionExpression or ArrowFunctionExpression with no type parameters and no parameter or return type annotations, and T is a function type with EXACTLY ONE non - generic call signature, then any inferences made for type parameters referenced by the parameters of T’s call signature are fixed(section 4.12.2) and e is processed with the contextual type T, as described in section 4.9.3.
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var f2: {
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>f2 : Symbol(f2, Decl(contextualTypingWithGenericSignature.ts, 2, 3))
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<T, U>(x: T, y: U): T
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>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))
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>U : Symbol(U, Decl(contextualTypingWithGenericSignature.ts, 3, 7))
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>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 3, 11))
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>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))
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>y : Symbol(y, Decl(contextualTypingWithGenericSignature.ts, 3, 16))
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>U : Symbol(U, Decl(contextualTypingWithGenericSignature.ts, 3, 7))
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>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))
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};
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f2 = (x, y) => { return x }
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>f2 : Symbol(f2, Decl(contextualTypingWithGenericSignature.ts, 2, 3))
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>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 6, 6))
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>y : Symbol(y, Decl(contextualTypingWithGenericSignature.ts, 6, 8))
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>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 6, 6))
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