Limbs.select: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend as Limbs
Lines 102-105 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=102&end_line=105

import Base

def select(+m: U32, a: List<&2, U32>, b: List<&2, U32>) -> List<&2, U32>:
  match a b:
    case x <> at y <> bt: pick(m, x, y) <> select(m, at, bt)
    case _ _: Nil{}

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=bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend&name=pick