Poly1305.clamp_from: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/poly1305.bend as Poly1305
Lines 89-92 of bend-collections@1.0.0.0/spec/crypto/poly1305.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/poly1305.bend&start_line=89&end_line=92

import Base

def clamp_from(r: List<&2, U32>, +i: Nat) -> List<&2, U32>:
  match r:
    case Nil{}: Nil{}
    case b <> rest: U32.and(b, clamp_mask(i)) <> clamp_from(rest, 1n+i)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/spec/crypto/poly1305.bend&name=clamp_mask