82 lines
3.5 KiB
TypeScript
82 lines
3.5 KiB
TypeScript
//// [genericCallWithOverloadedFunctionTypedArguments.ts]
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// Function typed arguments with multiple signatures must be passed an implementation that matches all of them
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// Inferences are made quadratic-pairwise to and from these overload sets
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module NonGenericParameter {
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var a: {
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(x: boolean): boolean;
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(x: string): string;
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}
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function foo4(cb: typeof a) {
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return cb;
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}
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var r = foo4(a);
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var r2 = foo4(<T>(x: T) => x);
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var r4 = foo4(x => x);
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}
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module GenericParameter {
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function foo5<T>(cb: { (x: T): string; (x: number): T }) {
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return cb;
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}
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var r5 = foo5(x => x); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]. T is any
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var a: { <T>(x: T): string; <T>(x: number): T; }
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var r7 = foo5(a); // any => string (+1 overload)
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function foo6<T>(cb: { (x: T): string; (x: T, y?: T): string }) {
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return cb;
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}
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var r8 = foo6(x => x); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]. T is any
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var r9 = foo6(<T>(x: T) => ''); // any => string (+1 overload)
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var r11 = foo6(<T>(x: T, y?: T) => ''); // any => string (+1 overload)
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function foo7<T>(x:T, cb: { (x: T): string; (x: T, y?: T): string }) {
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return cb;
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}
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var r12 = foo7(1, (x) => x); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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var r13 = foo7(1, <T>(x: T) => ''); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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var a: { <T>(x: T): string; <T>(x: number): T; }
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var r14 = foo7(1, a); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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}
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//// [genericCallWithOverloadedFunctionTypedArguments.js]
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// Function typed arguments with multiple signatures must be passed an implementation that matches all of them
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// Inferences are made quadratic-pairwise to and from these overload sets
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var NonGenericParameter;
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(function (NonGenericParameter) {
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var a;
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function foo4(cb) {
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return cb;
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}
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var r = foo4(a);
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var r2 = foo4(function (x) { return x; });
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var r4 = foo4(function (x) { return x; });
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})(NonGenericParameter || (NonGenericParameter = {}));
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var GenericParameter;
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(function (GenericParameter) {
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function foo5(cb) {
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return cb;
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}
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var r5 = foo5(function (x) { return x; }); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]. T is any
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var a;
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var r7 = foo5(a); // any => string (+1 overload)
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function foo6(cb) {
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return cb;
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}
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var r8 = foo6(function (x) { return x; }); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]. T is any
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var r9 = foo6(function (x) { return ''; }); // any => string (+1 overload)
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var r11 = foo6(function (x, y) { return ''; }); // any => string (+1 overload)
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function foo7(x, cb) {
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return cb;
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}
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var r12 = foo7(1, function (x) { return x; }); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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var r13 = foo7(1, function (x) { return ''; }); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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var a;
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var r14 = foo7(1, a); // any => string (+1 overload) [inferences are made for T, but lambda not contextually typed]
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})(GenericParameter || (GenericParameter = {}));
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