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//// [typeParameterAssignability3.ts]
// type parameters are not assignable to one another unless directly or indirectly constrained to one another
class Foo { foo: string; }
function foo<T extends Foo, U extends Foo>(t: T, u: U) {
var a: T;
var b: U;
t = a; // ok
a = t; // ok
b = u; // ok
u = b; // ok
t = u; // error
u = t; // error
}
class C<T extends Foo, U extends Foo> {
t: T;
u: U;
r = () => {
this.t = this.u; // error
this.u = this.t; // error
}
}
//// [typeParameterAssignability3.js]
// type parameters are not assignable to one another unless directly or indirectly constrained to one another
var Foo = /** @class */ (function () {
function Foo() {
}
return Foo;
}());
function foo(t, u) {
var a;
var b;
t = a; // ok
a = t; // ok
b = u; // ok
u = b; // ok
t = u; // error
u = t; // error
}
var C = /** @class */ (function () {
function C() {
var _this = this;
this.r = function () {
_this.t = _this.u; // error
_this.u = _this.t; // error
};
}
return C;
}());
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