def Nar.opt

bend-kit-int@0.2.0.0 · int.bend:483

import Base

483# U8 and U16 hold their value in a U32 below 2^w, and m is 2^w - 1.
484def Nar.opt(ov: Bool, r: U32) -> Maybe<&2, U32>:
485  match ov:
486    case True{}:
487      None{}
488    case False{}:
489      Some{r}