Limbs.fit: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend as Limbs
Lines 56-60 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=56&end_line=60

import Base

# The first n limbs, padded with zeros to exactly n.
def fit(n: Nat, +xs: List<&2, U32>) -> List<&2, U32>:
  match n:
    case 0n: Nil{}
    case 1n+k: hd0(xs) <> fit(k, tl(xs))

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=bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend&name=hd0
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/poly1305/limbs.bend&name=tl