Sha.zero_count_if: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/sha.bend as Sha
Lines 49-56 of bend-collections@1.0.0.0/spec/crypto/sha.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/sha.bend&start_line=49&end_line=56

import Base

# FIPS padding: a remainder of 0..55 leaves room in this block;
# a remainder of 56..63 needs another block. No modular shortcut is used.
def zero_count_if(r: Nat, fits: Bool) -> Nat:
  match fits:
    case True{}:
      Nat.sub(55n, r)
    case False{}:
      Nat.sub(119n, r)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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