Poly1305.when: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/poly1305/poly1305.bend as Poly1305
Lines 76-79 of bend-collections@1.0.0.0/src/crypto/poly1305/poly1305.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/poly1305/poly1305.bend&start_line=76&end_line=79

import Base

def when(ok: Bool, x: List<&2, U32>) -> Maybe<&2, List<&2, U32>>:
  match ok:
    case True{}: Some{x}
    case False{}: None{}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32