38 lines
836 B
TypeScript
38 lines
836 B
TypeScript
// @strict: true
|
|
export type ElChildren =
|
|
| ElChildren.Void
|
|
| ElChildren.Text;
|
|
export namespace ElChildren {
|
|
export type Void = undefined;
|
|
export type Text = string;
|
|
}
|
|
|
|
type Relax<C extends ElChildren> = C extends ElChildren.Text ? ElChildren.Text : C;
|
|
|
|
export class Elem<
|
|
C extends ElChildren,
|
|
> {
|
|
constructor(
|
|
private children_: Relax<C>,
|
|
) {
|
|
}
|
|
}
|
|
|
|
new Elem(undefined as ElChildren.Void);
|
|
new Elem('' as ElChildren.Text);
|
|
new Elem('' as ElChildren.Void | ElChildren.Text); // error
|
|
new Elem('' as ElChildren); // error
|
|
|
|
// Repro from #31766
|
|
|
|
interface I { a: string }
|
|
|
|
type DeepPartial<T> =
|
|
T extends object ? {[K in keyof T]?: DeepPartial<T[K]>} : T;
|
|
|
|
declare function f<T>(t: T, partial: DeepPartial<T>): T;
|
|
|
|
function g(p1: I, p2: Partial<I>): I {
|
|
return f(p1, p2);
|
|
}
|