def map

bend-kit-property@0.4.0.0 · generate.bend:147

import Base
import bend-kit-random@0.1.0.1/random.bend as Rand

147# gen's value through f.
148def map(~A: Type, ~B: Type, ~f: A -> B, ~gen: Rand.Rng -> A & Rand.Rng, r: Rand.Rng) -> B & Rand.Rng:
149  map.fin(~A, ~B, ~f, gen(r))