import type { Args, Fn } from "../HKT";

/**
 * Convert a string to uppercase.
 *
 * Sig: `(s: string) => string`
 */
export type ToUpper<S extends string> = Uppercase<S>;

/**
 * [Fn] Convert a string to uppercase.
 *
 * Sig: `(s: string) => string`
 */
export default interface ToUpperFn extends Fn<[string], string> {
  def: ([s]: Args<this>) => ToUpper<typeof s>;
}