Defs.zb: def of lawful-words@0.1.0.0
Import: import lawful-words@0.1.0.0/defs.bend as Defs
Lines 56-59 of lawful-words@0.1.0.0/defs.bend: https://jend.leeeet.dev/read.txt?path=lawful-words@0.1.0.0/defs.bend&start_line=56&end_line=59

import Base

# The zero-byte flags: (v - 0x01010101) & ~v & 0x80808080. It is zero exactly
# when no byte of v is zero (law zb_zero); individual flags are not exact.
def zb(+v: U32) -> U32:
  U32.and(U32.and(U32.sub(v, 16843009), U32.not(v)), 2155905152)

Uses (4):
  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.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub