import type ToStrFn from "./ToStr";
// @ts-ignore - `Show` is only used in doc comments
import type { Show, TypeClass$$Show } from "../typeclass";

declare module "../typeclass/Show" {
  interface ShowImpl {
    undefined: ImplShowFor<undefined, Undef$$Show>;
  }
}

/**
 * Implementation of the {@link Show} type class for `undefined`.
 */
export interface Undef$$Show extends TypeClass$$Show<undefined> {
  Show: ToStrFn;
}