def checked_shl
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/fix32.bend:229
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/fix32.bend as Fix32
import Base
import bend-collections-laws-math@1.0.0.0/spec/math/generic.bend as SG
import bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend as SF
import bend-collections-laws-math@1.0.0.0/src/math/fixed.bend as F
229def checked_shl(+a: U32, +s: U32) -> SF.CheckedShl.value(~U32, ~SG.u32_val, ~F.u32_checked_shl, 32n, a, s):
230 cshl(a, s, Nat.is_lt(vs(s), 32n), {==})