Blake2b.mask: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend as Blake2b
Lines 216-219 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend&start_line=216&end_line=219

import Base

# The word holding block bytes pos..pos+3 when only `remain` bytes are message:
# the bytes at or past `remain` are zero padding.
def mask(w: U32, +pos: Nat, +remain: Nat) -> U32:
  keep(w,Nat.sub(remain,pos))

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=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend&name=keep