33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
// @strict: true
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// @declaration: true
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declare function id1<T>(input: T): T;
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declare function id2<T extends (x: any) => any>(input: T): T;
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declare function id3<T extends (x: { foo: any }) => any>(input: T): T;
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declare function id4<T extends (x: { foo?: number }) => any>(input: T): T;
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declare function id5<T extends (x?: number) => any>(input: T): T;
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const f10 = function ({ foo = 42 }) { return foo };
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const f11 = id1(function ({ foo = 42 }) { return foo }); // Implicit any error
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const f12 = id2(function ({ foo = 42 }) { return foo });
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const f13 = id3(function ({ foo = 42 }) { return foo });
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const f14 = id4(function ({ foo = 42 }) { return foo });
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const f20 = function (foo = 42) { return foo };
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const f21 = id1(function (foo = 42) { return foo }); // Implicit any error
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const f22 = id2(function (foo = 42) { return foo });
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const f25 = id5(function (foo = 42) { return foo });
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// Repro from #28816
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function id<T>(input: T): T { return input }
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function getFoo ({ foo = 42 }) {
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return foo;
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}
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const newGetFoo = id(getFoo);
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const newGetFoo2 = id(function getFoo ({ foo = 42 }) {
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return foo;
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});
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