83 lines
1.9 KiB
JavaScript
83 lines
1.9 KiB
JavaScript
//// [overload1.ts]
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module O {
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export class A {
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}
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export class B extends A {
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}
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export class C extends B {
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}
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export interface I {
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f(s:string):number;
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f(n:number):string;
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g(n1:number,n2:number):number;
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g(n:number):string;
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g(a:A):C;
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g(c:C):string;
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h(s1:string,s2:number):string;
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h(s1:number,s2:string):number;
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}
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}
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declare var x:O.I;
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var e:string=x.g(new O.A()); // matches overload but bad assignment
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var y:string=x.f(3); // good
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y=x.f("nope"); // can't assign number to string
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var z:string=x.g(x.g(3,3)); // good
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z=x.g(2,2,2); // no match
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z=x.g(); // no match
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z=x.g(new O.B()); // ambiguous (up and down conversion)
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z=x.h(2,2); // no match
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z=x.h("hello",0); // good
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var v=x.g;
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//// [overload1.js]
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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 O;
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(function (O) {
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var A = (function () {
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function A() {
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}
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return A;
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})();
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O.A = A;
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var B = (function (_super) {
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__extends(B, _super);
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function B() {
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_super.apply(this, arguments);
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}
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return B;
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})(A);
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O.B = B;
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var C = (function (_super) {
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__extends(C, _super);
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function C() {
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_super.apply(this, arguments);
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}
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return C;
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})(B);
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O.C = C;
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})(O || (O = {}));
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var e = x.g(new O.A()); // matches overload but bad assignment
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var y = x.f(3); // good
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y = x.f("nope"); // can't assign number to string
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var z = x.g(x.g(3, 3)); // good
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z = x.g(2, 2, 2); // no match
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z = x.g(); // no match
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z = x.g(new O.B()); // ambiguous (up and down conversion)
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z = x.h(2, 2); // no match
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z = x.h("hello", 0); // good
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var v = x.g;
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