def Ops.abs
import bend-collections-laws-math@1.0.0.0/spec/math/instances.bend as Instancesimport Base
import bend-collections-laws-math@1.0.0.0/src/math/num.bend as N
78# unsigned: |a| is a
79def Ops.abs(~T: Data, ~op: N.Op<T> -> T, +a: T) -> Type:
80 {op(N.Abs{a}) == a : T}