def bg_b
import bend-collections@1.0.0.0/src/math/generic.bend as Genericimport Base
import bend-collections@1.0.0.0/src/math/num.bend as N
279def bg_b(~T: Data, ~op: N.Op<T> -> T, ~test: N.Test<T> -> Bool, +a: T, +b: T, bz: Bool) -> T:
280 match bz:
281 case True{}:
282 a
283 case False{}:
284 tw(~T, ~op, ~test, fuel(), a, b, 0n, ev2(~T, ~test, a, b))