Kestrel Combinator

Kestrel combinator - Returns the first argument, ignoring the second. Useful for constant functions and ignoring unwanted arguments.

export const Kestrel = (x: Fn) => (_: Fn) => x;
export const K = Kestrel;
export const First = K;

const alwaysFive = Kestrel(5);
alwaysFive(100); // 5
alwaysFive("anything"); // 5