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//// [numericIndexerConstrainsPropertyDeclarations2.ts]
// String indexer providing a constraint of a user defined type
class A {
foo(): string { return ''; }
}
class B extends A {
bar(): string { return ''; }
}
class Foo {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
"4.0": string; // error
}
interface Foo2 {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
"4.0": string; // error
}
var a: {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
"4.0": string; // error
};
// error
var b: { [x: number]: A } = {
1.0: new A(),
2.0: new B(),
"2.5": new B(),
3.0: 1,
"4.0": ''
}
//// [numericIndexerConstrainsPropertyDeclarations2.js]
// String indexer providing a constraint of a user defined type
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var A = (function () {
function A() {
}
A.prototype.foo = function () { return ''; };
return A;
}());
var B = (function (_super) {
__extends(B, _super);
function B() {
return _super !== null && _super.apply(this, arguments) || this;
}
B.prototype.bar = function () { return ''; };
return B;
}(A));
var Foo = (function () {
function Foo() {
}
return Foo;
}());
var a;
// error
var b = {
1.0: new A(),
2.0: new B(),
"2.5": new B(),
3.0: 1,
"4.0": ''
};
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