def again

bend-collections-laws-crypto@1.0.0.0 · src/math/random/rand.bend:119

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend as W

119# one rejection step: while lo < t, draw again; an accepted draw is kept
120def again(~S: Data, ~next: S -> W.U64 & S, +n: W.U64, +hi: W.U64, +lo: W.U64, s: S, reject: Bool) -> Draw<S>:
121  match reject:
122    case False{}:
123      D{hi, lo, s}
124    case True{}:
125      draw(S, n, next(s))