TypeScript/tests/cases/conformance/types/keyof/circularIndexedAccessErrors.ts
2017-01-06 17:35:09 -08:00

40 lines
555 B
TypeScript

// @declaration: true
type T1 = {
x: T1["x"]; // Error
};
type T2<K extends "x" | "y"> = {
x: T2<K>[K]; // Error
y: number;
}
declare let x2: T2<"x">;
let x2x = x2.x;
interface T3<T extends T3<T>> {
x: T["x"];
}
interface T4<T extends T4<T>> {
x: T4<T>["x"]; // Error
}
class C1 {
x: C1["x"]; // Error
}
class C2 {
x: this["y"];
y: this["z"];
z: this["x"];
}
// Repro from #12627
interface Foo {
hello: boolean;
}
function foo<T extends Foo | T["hello"]>() {
}