219 lines
8.6 KiB
TypeScript
219 lines
8.6 KiB
TypeScript
//// [subtypingWithCallSignatures3.ts]
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// checking subtype relations for function types as it relates to contextual signature instantiation
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// error cases, so function calls will all result in 'any'
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module Errors {
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class Base { foo: string; }
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class Derived extends Base { bar: string; }
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class Derived2 extends Derived { baz: string; }
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class OtherDerived extends Base { bing: string; }
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declare function foo2(a2: (x: number) => string[]): typeof a2;
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declare function foo2(a2: any): any;
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declare function foo7(a2: (x: (arg: Base) => Derived) => (r: Base) => Derived2): typeof a2;
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declare function foo7(a2: any): any;
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declare function foo8(a2: (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived): typeof a2;
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declare function foo8(a2: any): any;
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declare function foo10(a2: (...x: Base[]) => Base): typeof a2;
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declare function foo10(a2: any): any;
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declare function foo11(a2: (x: { foo: string }, y: { foo: string; bar: string }) => Base): typeof a2;
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declare function foo11(a2: any): any;
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declare function foo12(a2: (x: Array<Base>, y: Array<Derived2>) => Array<Derived>): typeof a2;
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declare function foo12(a2: any): any;
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declare function foo15(a2: (x: { a: string; b: number }) => number): typeof a2;
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declare function foo15(a2: any): any;
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declare function foo16(a2: {
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// type of parameter is overload set which means we can't do inference based on this type
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(x: {
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(a: number): number;
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(a?: number): number;
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}): number[];
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(x: {
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(a: boolean): boolean;
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(a?: boolean): boolean;
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}): boolean[];
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}): typeof a2;
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declare function foo16(a2: any): any;
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declare function foo17(a2: {
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(x: {
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<T extends Derived>(a: T): T;
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<T extends Base>(a: T): T;
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}): any[];
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(x: {
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<T extends Derived2>(a: T): T;
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<T extends Base>(a: T): T;
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}): any[];
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}): typeof a2;
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declare function foo17(a2: any): any;
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var r1 = foo2(<T, U>(x: T) => <U[]>null); // any
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var r1a = [(x: number) => [''], <T, U>(x: T) => <U[]>null];
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var r1b = [<T, U>(x: T) => <U[]>null, (x: number) => ['']];
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var r2arg = <T extends Base, U extends Derived, V extends Derived2>(x: (arg: T) => U) => (r: T) => <V>null;
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var r2arg2 = (x: (arg: Base) => Derived) => (r: Base) => <Derived2>null;
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var r2 = foo7(r2arg); // any
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var r2a = [r2arg2, r2arg];
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var r2b = [r2arg, r2arg2];
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var r3arg = <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: { foo: number; }) => U) => (r: T) => <U>null;
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var r3arg2 = (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => <Derived>null;
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var r3 = foo8(r3arg); // any
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var r3a = [r3arg2, r3arg];
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var r3b = [r3arg, r3arg2];
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var r4arg = <T extends Derived>(...x: T[]) => <T>null;
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var r4arg2 = (...x: Base[]) => <Base>null;
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var r4 = foo10(r4arg); // any
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var r4a = [r4arg2, r4arg];
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var r4b = [r4arg, r4arg2];
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var r5arg = <T extends Derived>(x: T, y: T) => <T>null;
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var r5arg2 = (x: { foo: string }, y: { foo: string; bar: string }) => <Base>null;
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var r5 = foo11(r5arg); // any
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var r5a = [r5arg2, r5arg];
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var r5b = [r5arg, r5arg2];
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var r6arg = (x: Array<Base>, y: Array<Derived2>) => <Array<Derived>>null;
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var r6arg2 = <T extends Array<Derived2>>(x: Array<Base>, y: Array<Base>) => <T>null;
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var r6 = foo12(r6arg); // (x: Array<Base>, y: Array<Derived2>) => Array<Derived>
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var r6a = [r6arg2, r6arg];
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var r6b = [r6arg, r6arg2];
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var r7arg = <T>(x: { a: T; b: T }) => <T>null;
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var r7arg2 = (x: { a: string; b: number }) => 1;
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var r7 = foo15(r7arg); // any
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var r7a = [r7arg2, r7arg];
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var r7b = [r7arg, r7arg2];
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var r7arg3 = <T extends Base>(x: { a: T; b: T }) => 1;
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var r7c = foo15(r7arg3); // (x: { a: string; b: number }) => number): number;
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var r7d = [r7arg2, r7arg3];
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var r7e = [r7arg3, r7arg2];
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var r8arg = <T>(x: (a: T) => T) => <T[]>null;
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var r8 = foo16(r8arg); // any
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var r9arg = <T>(x: (a: T) => T) => <any[]>null;
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var r9 = foo17(r9arg); // (x: { <T extends Derived >(a: T): T; <T extends Base >(a: T): T; }): any[]; (x: { <T extends Derived2>(a: T): T; <T extends Base>(a: T): T; }): any[];
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}
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module WithGenericSignaturesInBaseType {
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declare function foo2(a2: <T>(x: T) => T[]): typeof a2;
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declare function foo2(a2: any): any;
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var r2arg2 = <T>(x: T) => [''];
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var r2 = foo2(r2arg2); // <T>(x:T) => T[] since we can infer from generic signatures now
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declare function foo3(a2: <T>(x: T) => string[]): typeof a2;
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declare function foo3(a2: any): any;
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var r3arg2 = <T>(x: T) => <T[]>null;
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var r3 = foo3(r3arg2); // any
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}
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//// [subtypingWithCallSignatures3.js]
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// checking subtype relations for function types as it relates to contextual signature instantiation
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// error cases, so function calls will all result in 'any'
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var __extends = this.__extends || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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__.prototype = b.prototype;
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d.prototype = new __();
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};
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var Errors;
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(function (Errors) {
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var Base = (function () {
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function Base() {
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}
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return Base;
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})();
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var Derived = (function (_super) {
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__extends(Derived, _super);
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function Derived() {
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_super.apply(this, arguments);
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}
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return Derived;
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})(Base);
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var Derived2 = (function (_super) {
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__extends(Derived2, _super);
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function Derived2() {
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_super.apply(this, arguments);
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}
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return Derived2;
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})(Derived);
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var OtherDerived = (function (_super) {
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__extends(OtherDerived, _super);
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function OtherDerived() {
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_super.apply(this, arguments);
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}
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return OtherDerived;
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})(Base);
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var r1 = foo2(function (x) { return null; }); // any
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var r1a = [function (x) { return ['']; }, function (x) { return null; }];
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var r1b = [function (x) { return null; }, function (x) { return ['']; }];
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var r2arg = function (x) { return function (r) { return null; }; };
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var r2arg2 = function (x) { return function (r) { return null; }; };
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var r2 = foo7(r2arg); // any
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var r2a = [r2arg2, r2arg];
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var r2b = [r2arg, r2arg2];
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var r3arg = function (x, y) { return function (r) { return null; }; };
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var r3arg2 = function (x, y) { return function (r) { return null; }; };
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var r3 = foo8(r3arg); // any
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var r3a = [r3arg2, r3arg];
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var r3b = [r3arg, r3arg2];
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var r4arg = function () {
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var x = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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x[_i - 0] = arguments[_i];
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}
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return null;
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};
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var r4arg2 = function () {
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var x = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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x[_i - 0] = arguments[_i];
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}
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return null;
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};
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var r4 = foo10(r4arg); // any
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var r4a = [r4arg2, r4arg];
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var r4b = [r4arg, r4arg2];
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var r5arg = function (x, y) { return null; };
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var r5arg2 = function (x, y) { return null; };
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var r5 = foo11(r5arg); // any
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var r5a = [r5arg2, r5arg];
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var r5b = [r5arg, r5arg2];
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var r6arg = function (x, y) { return null; };
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var r6arg2 = function (x, y) { return null; };
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var r6 = foo12(r6arg); // (x: Array<Base>, y: Array<Derived2>) => Array<Derived>
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var r6a = [r6arg2, r6arg];
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var r6b = [r6arg, r6arg2];
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var r7arg = function (x) { return null; };
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var r7arg2 = function (x) { return 1; };
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var r7 = foo15(r7arg); // any
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var r7a = [r7arg2, r7arg];
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var r7b = [r7arg, r7arg2];
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var r7arg3 = function (x) { return 1; };
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var r7c = foo15(r7arg3); // (x: { a: string; b: number }) => number): number;
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var r7d = [r7arg2, r7arg3];
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var r7e = [r7arg3, r7arg2];
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var r8arg = function (x) { return null; };
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var r8 = foo16(r8arg); // any
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var r9arg = function (x) { return null; };
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var r9 = foo17(r9arg); // (x: { <T extends Derived >(a: T): T; <T extends Base >(a: T): T; }): any[]; (x: { <T extends Derived2>(a: T): T; <T extends Base>(a: T): T; }): any[];
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})(Errors || (Errors = {}));
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var WithGenericSignaturesInBaseType;
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(function (WithGenericSignaturesInBaseType) {
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var r2arg2 = function (x) { return ['']; };
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var r2 = foo2(r2arg2); // <T>(x:T) => T[] since we can infer from generic signatures now
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var r3arg2 = function (x) { return null; };
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var r3 = foo3(r3arg2); // any
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})(WithGenericSignaturesInBaseType || (WithGenericSignaturesInBaseType = {}));
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