Limbs.pick: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend as Limbs
Lines 98-100 of bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend&start_line=98&end_line=100

import Base

# a when m is all zeros, b when m is all ones.
def pick(+m: U32, +a: U32, b: U32) -> U32:
  U32.xor(a, U32.and(m, U32.xor(a, b)))

Uses (3):
  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=Base/base.bend&name=U32.xor