fp-ts-std/dist/esm/Applicative.js

The missing pseudo-standard library for fp-ts.

export function when(F) {
    return b => x => (b ? x : F.of(undefined));
}
export function unless(F) {
    return b => x => (b ? F.of(undefined) : x);
}
export function pass(F) {
    return F.of(undefined);
}