Fast.rep: def of lawful-bytes@0.1.1.0
Import: import lawful-bytes@0.1.1.0/fast.bend as Fast
Lines 16-18 of lawful-bytes@0.1.1.0/fast.bend: https://jend.leeeet.dev/read.txt?path=lawful-bytes@0.1.1.0/fast.bend&start_line=16&end_line=18

import Base

# c in all four bytes of a word.
def rep(+c: U32) -> U32:
  (c * 16843009 : U32)

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul