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//// [propertyAccessOnTypeParameterWithConstraints2.ts]
// generic types should behave as if they have properties of their constraint type
class A {
foo(): string { return ''; }
}
class B extends A {
bar(): string {
return '';
}
}
class C<U extends A, T extends A> {
f() {
var x: U;
var a = x['foo'](); // should be string
return a + x.foo();
}
g(x: U) {
var a = x['foo'](); // should be string
return a + x.foo();
}
}
//class C<U extends T, T extends A> {
// f() {
// var x: U;
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
// g(x: U) {
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
//}
var r1 = (new C<B, A>()).f();
var r1b = (new C<B, A>()).g(new B());
interface I<U extends A, T extends A> {
foo: U;
}
//interface I<U extends T, T extends A> {
// foo: U;
//}
var i: I<B, A>;
var r2 = i.foo.foo();
var r2b = i.foo['foo']();
var a: {
<U extends A, T extends A>(): U;
<U extends A, T extends A>(x: U): U;
<U extends A, T extends A>(x: U, y: T): U;
}
//var a: {
// <U extends T, T extends A>(): U;
// <U extends T, T extends A>(x: U): U;
// <U extends T, T extends A>(x: U, y: T): U;
//}
var r3 = a<A, A>().foo();
var r3b = a()['foo']();
// parameter supplied for type argument inference to succeed
var aB = new B();
var r3c = a(aB, aB).foo();
var r3d = a(aB, aB)['foo']();
var b = {
foo: <U extends A, T extends A>(x: U, y: T) => {
var a = x['foo'](); // should be string
return a + x.foo();
}
}
//var b = {
// foo: <U extends T, T extends A>(x: U, y: T) => {
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
//}
var r4 = b.foo(aB, aB); // no inferences for T so constraint isn't satisfied, error
//// [propertyAccessOnTypeParameterWithConstraints2.js]
// generic types should behave as if they have properties of their constraint type
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var A = /** @class */ (function () {
function A() {
}
A.prototype.foo = function () { return ''; };
return A;
}());
var B = /** @class */ (function (_super) {
__extends(B, _super);
function B() {
return _super !== null && _super.apply(this, arguments) || this;
}
B.prototype.bar = function () {
return '';
};
return B;
}(A));
var C = /** @class */ (function () {
function C() {
}
C.prototype.f = function () {
var x;
var a = x['foo'](); // should be string
return a + x.foo();
};
C.prototype.g = function (x) {
var a = x['foo'](); // should be string
return a + x.foo();
};
return C;
}());
//class C<U extends T, T extends A> {
// f() {
// var x: U;
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
// g(x: U) {
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
//}
var r1 = (new C()).f();
var r1b = (new C()).g(new B());
//interface I<U extends T, T extends A> {
// foo: U;
//}
var i;
var r2 = i.foo.foo();
var r2b = i.foo['foo']();
var a;
//var a: {
// <U extends T, T extends A>(): U;
// <U extends T, T extends A>(x: U): U;
// <U extends T, T extends A>(x: U, y: T): U;
//}
var r3 = a().foo();
var r3b = a()['foo']();
// parameter supplied for type argument inference to succeed
var aB = new B();
var r3c = a(aB, aB).foo();
var r3d = a(aB, aB)['foo']();
var b = {
foo: function (x, y) {
var a = x['foo'](); // should be string
return a + x.foo();
}
};
//var b = {
// foo: <U extends T, T extends A>(x: U, y: T) => {
// var a = x['foo'](); // should be string
// return a + x.foo();
// }
//}
var r4 = b.foo(aB, aB); // no inferences for T so constraint isn't satisfied, error
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