def sign_above

bend-collections-laws-math@1.0.0.0 · src/math/generic.bend:107

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

107def sign_above(~T: Data, ~op: N.Op<T> -> T, ~test: N.Test<T> -> Bool, +x: T, above: Bool) -> T:
108  match above:
109    case True{}:
110      op(N.One{})
111    case False{}:
112      sign_below(~T, ~op, ~test, x, test(N.Lt{x, op(N.ZeroOp{})}))