277 lines
10 KiB
TypeScript
277 lines
10 KiB
TypeScript
//// [heterogeneousArrayLiterals.ts]
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// type of an array is the best common type of its elements (plus its contextual type if it exists)
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var a = [1, '']; // {}[]
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var b = [1, null]; // number[]
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var c = [1, '', null]; // {}[]
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var d = [{}, 1]; // {}[]
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var e = [{}, Object]; // {}[]
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var f = [[], [1]]; // number[][]
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var g = [[1], ['']]; // {}[]
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var h = [{ foo: 1, bar: '' }, { foo: 2 }]; // {foo: number}[]
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var i = [{ foo: 1, bar: '' }, { foo: '' }]; // {}[]
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var j = [() => 1, () => '']; // {}[]
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var k = [() => 1, () => 1]; // { (): number }[]
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var l = [() => 1, () => null]; // { (): any }[]
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var m = [() => 1, () => '', () => null]; // { (): any }[]
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var n = [[() => 1], [() => '']]; // {}[]
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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 Base { baz: string; }
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var base: Base;
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var derived: Derived;
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var derived2: Derived2;
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module Derived {
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var h = [{ foo: base, basear: derived }, { foo: base }]; // {foo: Base}[]
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var i = [{ foo: base, basear: derived }, { foo: derived }]; // {foo: Derived}[]
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var j = [() => base, () => derived]; // { {}: Base }
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var k = [() => base, () => 1]; // {}[]~
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var l = [() => base, () => null]; // { (): any }[]
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var m = [() => base, () => derived, () => null]; // { (): any }[]
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var n = [[() => base], [() => derived]]; // { (): Base }[]
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var o = [derived, derived2]; // {}[]
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var p = [derived, derived2, base]; // Base[]
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var q = [[() => derived2], [() => derived]]; // {}[]
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}
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module WithContextualType {
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// no errors
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var a: Base[] = [derived, derived2];
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var b: Derived[] = [null];
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var c: Derived[] = [];
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var d: { (): Base }[] = [() => derived, () => derived2];
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}
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function foo<T, U>(t: T, u: U) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [() => t, () => u]; // {}[]
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var f = [() => t, () => u, () => null]; // { (): any }[]
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}
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function foo2<T extends Base, U extends Derived>(t: T, u: U) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [() => t, () => u]; // {}[]
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var f = [() => t, () => u, () => null]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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}
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function foo3<T extends Derived, U extends Derived>(t: T, u: U) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [() => t, () => u]; // {}[]
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var f = [() => t, () => u, () => null]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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}
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function foo4<T extends Base, U extends Base>(t: T, u: U) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // BUG 821629
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var d = [t, 1]; // {}[]
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var e = [() => t, () => u]; // {}[]
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var f = [() => t, () => u, () => null]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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var k: Base[] = [t, u];
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}
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//function foo3<T extends U, U extends Derived>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // {}[]
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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//}
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//function foo4<T extends U, U extends Base>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // BUG 821629
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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// var k: Base[] = [t, u];
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//}
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//// [heterogeneousArrayLiterals.js]
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// type of an array is the best common type of its elements (plus its contextual type if it exists)
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var a = [1, '']; // {}[]
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var b = [1, null]; // number[]
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var c = [1, '', null]; // {}[]
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var d = [{}, 1]; // {}[]
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var e = [{}, Object]; // {}[]
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var f = [[], [1]]; // number[][]
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var g = [[1], ['']]; // {}[]
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var h = [{ foo: 1, bar: '' }, { foo: 2 }]; // {foo: number}[]
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var i = [{ foo: 1, bar: '' }, { foo: '' }]; // {}[]
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var j = [function () { return 1; }, function () { return ''; }]; // {}[]
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var k = [function () { return 1; }, function () { return 1; }]; // { (): number }[]
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var l = [function () { return 1; }, function () { return null; }]; // { (): any }[]
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var m = [function () { return 1; }, function () { return ''; }, function () { return null; }]; // { (): any }[]
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var n = [[function () { return 1; }], [function () { return ''; }]]; // {}[]
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var Base = /** @class */ (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 = /** @class */ (function (_super) {
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__extends(Derived, _super);
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function Derived() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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return Derived;
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}(Base));
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var Derived2 = /** @class */ (function (_super) {
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__extends(Derived2, _super);
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function Derived2() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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return Derived2;
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}(Base));
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var base;
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var derived;
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var derived2;
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(function (Derived) {
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var h = [{ foo: base, basear: derived }, { foo: base }]; // {foo: Base}[]
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var i = [{ foo: base, basear: derived }, { foo: derived }]; // {foo: Derived}[]
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var j = [function () { return base; }, function () { return derived; }]; // { {}: Base }
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var k = [function () { return base; }, function () { return 1; }]; // {}[]~
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var l = [function () { return base; }, function () { return null; }]; // { (): any }[]
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var m = [function () { return base; }, function () { return derived; }, function () { return null; }]; // { (): any }[]
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var n = [[function () { return base; }], [function () { return derived; }]]; // { (): Base }[]
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var o = [derived, derived2]; // {}[]
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var p = [derived, derived2, base]; // Base[]
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var q = [[function () { return derived2; }], [function () { return derived; }]]; // {}[]
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})(Derived || (Derived = {}));
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var WithContextualType;
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(function (WithContextualType) {
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// no errors
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var a = [derived, derived2];
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var b = [null];
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var c = [];
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var d = [function () { return derived; }, function () { return derived2; }];
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})(WithContextualType || (WithContextualType = {}));
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function foo(t, u) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [function () { return t; }, function () { return u; }]; // {}[]
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var f = [function () { return t; }, function () { return u; }, function () { return null; }]; // { (): any }[]
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}
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function foo2(t, u) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [function () { return t; }, function () { return u; }]; // {}[]
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var f = [function () { return t; }, function () { return u; }, function () { return null; }]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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}
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function foo3(t, u) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // {}[]
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var d = [t, 1]; // {}[]
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var e = [function () { return t; }, function () { return u; }]; // {}[]
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var f = [function () { return t; }, function () { return u; }, function () { return null; }]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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}
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function foo4(t, u) {
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var a = [t, t]; // T[]
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var b = [t, null]; // T[]
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var c = [t, u]; // BUG 821629
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var d = [t, 1]; // {}[]
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var e = [function () { return t; }, function () { return u; }]; // {}[]
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var f = [function () { return t; }, function () { return u; }, function () { return null; }]; // { (): any }[]
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var g = [t, base]; // Base[]
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var h = [t, derived]; // Derived[]
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var i = [u, base]; // Base[]
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var j = [u, derived]; // Derived[]
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var k = [t, u];
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}
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//function foo3<T extends U, U extends Derived>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // {}[]
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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//}
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//function foo4<T extends U, U extends Base>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // BUG 821629
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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// var k: Base[] = [t, u];
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//}
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