def IntRange.bounds

bend-collections-laws-math@1.0.0.0 · spec/math/random.bend:149

import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
import bend-collections-laws-math@1.0.0.0/src/math/random/rand.bend as R

149def IntRange.bounds(~S: Data, ~next: S -> W.U64 & S, +s: S, +lo: Nat, +hi: Nat, +h: {Nat.is_lt(lo, hi) == True{} : Bool}, +hw: {C.fits(64n, Nat.sub(hi, lo)) == True{} : Bool}) -> Type:
150  {Bool.and(Nat.is_le(lo, R.fst(Nat, S, R.int_range(~S, ~next, s, lo, hi))), Nat.is_lt(R.fst(Nat, S, R.int_range(~S, ~next, s, lo, hi)), hi)) == True{} : Bool}