BendCollections.low_tail: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/keccak/main.bend as BendCollections
Lines 8-14 of bend-collections@1.0.0.0/spec/crypto/keccak/main.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/keccak/main.bend&start_line=8&end_line=14

import Base

def low_tail(w: U32, n: Nat) -> U32:
  match n:
    case 0n: 1
    case 1n: U32.or(U32.and(w,255),256)
    case 2n: U32.or(U32.and(w,65535),65536)
    case 3n: U32.or(U32.and(w,16777215),16777216)
    case _: w

Uses (4):
  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=Base/base.bend&name=U32.or