/// <reference types="emscripten" />
type Predicate<TInput> = (v: TInput) => boolean;
type Handler<TInput, TOutput> = (v: TInput) => TOutput;
interface Match<Input, Output> {
    when: (predicate: Predicate<Input>, handler: Handler<Input, Output>) => this;
    run: () => Output;
    otherwise: (handler: Handler<Input, Output>) => this;
}
declare function match<TInput, TOutput>(value: TInput): Match<TInput, TOutput>;

export { type Handler, type Match, type Predicate, match };