def dec

bend-collections-laws-crypto@1.0.0.0 · src/math/generic.bend:193

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/num.bend as N

193def dec(~T: Data, ~op: N.Op<T> -> T, +x: T) -> T:
194  op(N.Sub{x, op(N.One{})})