pragmatic-fp-ts/lib/prepend.d.ts

Opinionated functional programming library with easy use in mind

export declare function prepend<A>(el: A, coll: A[]): A[];
export declare function prepend(head: string, tail: string): string;
export declare function prepend<A>(head: A): <B extends A extends string ? string | string[] : A[]>(coll: B) => B extends string ? string : B;