Poly1305.blocks: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/poly1305.bend as Poly1305
Lines 97-103 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/poly1305.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/poly1305.bend&start_line=97&end_line=103

import Base

# The message cut into 16-byte blocks, the last one possibly shorter; fuel
# bounds the number of blocks (the length of the message is enough).
def blocks(fuel: Nat, +msg: List<&2, U32>) -> List<&2, List<&2, U32>>:
  match fuel msg:
    case 0n _: Nil{}
    case 1n+k Nil{}: Nil{}
    case 1n+k b <> rest: prefix(16n, b <> rest) <> blocks(k, suffix(16n, b <> rest))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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/poly1305.bend&name=prefix
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/poly1305.bend&name=suffix