2014-07-13 01:04:16 +02:00
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//// [assignmentCompatWithStringIndexer.ts]
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// index signatures must be compatible in assignments
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interface Base { foo: string; }
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interface Derived extends Base { bar: string; }
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interface Derived2 extends Derived { baz: string; }
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class A {
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[x: string]: Base;
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}
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var a: A;
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var b: { [x: string]: Derived; }
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a = b; // ok
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b = a; // error
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var b2: { [x: string]: Derived2; }
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a = b2; // ok
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b2 = a; // error
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module Generics {
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class A<T extends Base> {
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[x: string]: T;
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}
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class B extends A<Base> {
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[x: string]: Derived; // ok
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}
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var b1: { [x: string]: Derived; };
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var a1: A<Base>;
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a1 = b1; // ok
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b1 = a1; // error
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class B2 extends A<Base> {
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[x: string]: Derived2; // ok
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}
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var b2: { [x: string]: Derived2; };
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a1 = b2; // ok
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b2 = a1; // error
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function foo<T extends Base>() {
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var b3: { [x: string]: Derived; };
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var a3: A<T>;
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a3 = b3; // error
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b3 = a3; // error
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var b4: { [x: string]: Derived2; };
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a3 = b4; // error
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b4 = a3; // error
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}
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}
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//// [assignmentCompatWithStringIndexer.js]
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2014-08-19 19:43:13 +02:00
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// index signatures must be compatible in assignments
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2014-07-13 01:04:16 +02:00
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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 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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var a;
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var b;
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2014-08-16 00:49:09 +02:00
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a = b; // ok
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b = a; // error
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2014-07-13 01:04:16 +02:00
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var b2;
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2014-08-16 00:49:09 +02:00
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a = b2; // ok
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b2 = a; // error
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2014-07-13 01:04:16 +02:00
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var Generics;
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(function (Generics) {
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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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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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var b1;
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var a1;
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2014-08-16 00:49:09 +02:00
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a1 = b1; // ok
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b1 = a1; // error
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2014-07-13 01:04:16 +02:00
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var B2 = (function (_super) {
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__extends(B2, _super);
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function B2() {
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_super.apply(this, arguments);
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}
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return B2;
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})(A);
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var b2;
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2014-08-16 00:49:09 +02:00
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a1 = b2; // ok
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b2 = a1; // error
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2014-07-13 01:04:16 +02:00
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function foo() {
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var b3;
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var a3;
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2014-08-16 00:49:09 +02:00
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a3 = b3; // error
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b3 = a3; // error
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2014-07-13 01:04:16 +02:00
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var b4;
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2014-08-16 00:49:09 +02:00
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a3 = b4; // error
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b4 = a3; // error
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2014-07-13 01:04:16 +02:00
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}
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})(Generics || (Generics = {}));
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