Mac.fits: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/mac.bend as Mac
Lines 20-29 of bend-collections@1.0.0.0/src/crypto/mac.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/mac.bend&start_line=20&end_line=29

import Base

# Whether a key fits in the block, looking at no more than 65 of its bytes
# (the length of a long key is never computed).
def fits(key: List<&2, U32>, n: Nat) -> Bool:
  match key n:
    case Nil{} _:
      True{}
    case k <> rest 0n:
      False{}
    case k <> rest 1n+p:
      fits(rest, p)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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