def CheckedPow.value

bend-collections-laws-math@1.0.0.0 · spec/math/fixed.bend:101

import Base

101def CheckedPow.value(~T: Data, ~val: T -> Nat, ~f: @+x: T -> @+y: U32 -> Maybe<&2, T>, +w: Nat, +a: T, +e: U32) -> Type:
102  {mval(~T, ~val, f(a, e)) == cnat(w, Nat.pow(val(a), U32.to_nat(e))) : Maybe<&2, Nat>}