Poly1305.mask: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/poly1305/poly1305.bend as Poly1305
Lines 12-15 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=12&end_line=15

import Base

def mask(xs: List<&2, U32>) -> List<&2, U32>:
  match xs:
    case Nil{}: Nil{}
    case x <> t: U32.and(x, 255) <> mask(t)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and