Phc.c0: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/argon2/phc.bend as Phc
Lines 29-31 of bend-collections@1.0.0.0/src/crypto/argon2/phc.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&start_line=29&end_line=31

import Base

# The crumbs of a byte n, high first: n = ((c3 * 4 + c2) * 4 + c1) * 4 + c0.
def c0(+b: U32) -> U32:
  U32.from_nat(Nat.mod(U32.to_nat(b), 4n))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat