23 lines
867 B
TypeScript
23 lines
867 B
TypeScript
//// [overEagerReturnTypeSpecialization.ts]
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//Note: Below simpler repro
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interface I1<T> {
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func<U>(callback: (value: T) => U): I1<U>;
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}
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declare var v1: I1<number>;
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var r1: I1<string> = v1.func(num => num.toString()) // Correctly returns an I1<string>
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.func(str => str.length); // should error
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var r2: I1<number> = v1.func(num => num.toString()) // Correctly returns an I1<string>
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.func(str => str.length); // should be ok
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//// [overEagerReturnTypeSpecialization.js]
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//Note: Below simpler repro
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var r1 = v1.func(function (num) { return num.toString(); }) // Correctly returns an I1<string>
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.func(function (str) { return str.length; }); // should error
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var r2 = v1.func(function (num) { return num.toString(); }) // Correctly returns an I1<string>
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.func(function (str) { return str.length; }); // should be ok
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