Chacha20poly1305.open: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/aead/chacha20poly1305.bend as Chacha20poly1305
Lines 65-67 of bend-collections@1.0.0.0/src/crypto/aead/chacha20poly1305.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/aead/chacha20poly1305.bend&start_line=65&end_line=67

import Base

# The plaintext of ciphertext || tag, without key/nonce length checks.
def open(+key: List<&2, U32>, +nonce: List<&2, U32>, +aad: List<&2, U32>, +data: List<&2, U32>) -> Maybe<&2, List<&2, U32>>:
  open_len(Nat.is_lt(List.length(&2, U32, data), 16n), key, nonce, aad, data)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/aead/chacha20poly1305.bend&name=open_len