Blake2s.block_count: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2s.bend as Blake2s
Lines 199-203 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2s.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2s.bend&start_line=199&end_line=203

import Base

# dd = ceil(ll / 64) blocks, and dd = 1 for the empty message.
def block_count(+ll: Nat) -> Nat:
  match ll:
    case 0n: 1n
    case 1n+p: Nat.div(Nat.add(ll, 63n), 64n)

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