108 lines
3 KiB
TypeScript
108 lines
3 KiB
TypeScript
//// [objectTypesIdentityWithGenericConstructSignaturesOptionalParams.ts]
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// Two call or construct signatures are considered identical when they have the same number of type parameters and, considering those
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// parameters pairwise identical, have identical type parameter constraints, identical number of parameters with identical kind(required,
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// optional or rest) and types, and identical return types.
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class B<T> {
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constructor(x: T, y?: T) { return null; }
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}
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class C<T> {
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constructor(x: T, y?: T) { return null; }
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}
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interface I<T> {
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new(x: T, y?: T): B<T>;
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}
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interface I2 {
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new<T>(x: T, y?: T): C<T>;
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}
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var a: { new<T>(x: T, y?: T): B<T> }
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var b = { new<T>(x: T, y?: T) { return new C<T>(x, y); } }; // not a construct signature, function called new
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function foo1b(x: B<string>);
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function foo1b(x: B<string>); // error
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function foo1b(x: any) { }
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function foo1c(x: C<string>);
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function foo1c(x: C<string>); // error
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function foo1c(x: any) { }
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function foo2(x: I<string>);
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function foo2(x: I<string>); // error
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function foo2(x: any) { }
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function foo3(x: typeof a);
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function foo3(x: typeof a); // error
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function foo3(x: any) { }
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function foo4(x: typeof b);
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function foo4(x: typeof b); // error
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function foo4(x: any) { }
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function foo8(x: B<string>): string;
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function foo8(x: I<string>): number; // BUG 832086
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function foo8(x: any): any { }
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function foo9(x: B<string>);
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function foo9(x: C<string>); // error, differ only by return type
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function foo9(x: any) { }
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function foo10(x: B<string>);
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function foo10(x: typeof a); // BUG 832086
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function foo10(x: any) { }
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function foo11(x: B<string>);
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function foo11(x: typeof b); // ok
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function foo11(x: any) { }
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function foo12(x: I<string>);
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function foo12(x: C<string>); // ok
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function foo12(x: any) { }
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function foo12b(x: I2);
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function foo12b(x: C<string>); // BUG 832086
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function foo12b(x: any) { }
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function foo13(x: I<string>);
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function foo13(x: typeof a); // BUG 832086
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function foo13(x: any) { }
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function foo14(x: I<string>);
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function foo14(x: typeof b); // ok
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function foo14(x: any) { }
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//// [objectTypesIdentityWithGenericConstructSignaturesOptionalParams.js]
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// Two call or construct signatures are considered identical when they have the same number of type parameters and, considering those
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// parameters pairwise identical, have identical type parameter constraints, identical number of parameters with identical kind(required,
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// optional or rest) and types, and identical return types.
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var B = (function () {
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function B(x, y) {
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return null;
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}
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return B;
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})();
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var C = (function () {
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function C(x, y) {
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return null;
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}
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return C;
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})();
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var a;
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var b = { new: function (x, y) { return new C(x, y); } }; // not a construct signature, function called new
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function foo1b(x) { }
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function foo1c(x) { }
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function foo2(x) { }
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function foo3(x) { }
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function foo4(x) { }
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function foo8(x) { }
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function foo9(x) { }
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function foo10(x) { }
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function foo11(x) { }
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function foo12(x) { }
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function foo12b(x) { }
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function foo13(x) { }
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function foo14(x) { }
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