• Top
  • Documentation
  • Books
  • Boolean-reasoning
  • Projects
  • Debugging
  • Std
  • Community
  • Proof-automation
  • Macro-libraries
  • ACL2
  • Interfacing-tools
  • Hardware-verification
  • Software-verification
    • Kestrel-books
      • Crypto-hdwallet
      • Apt
      • Error-checking
      • Fty-extensions
      • Isar
      • Kestrel-utilities
      • Set
      • Soft
      • C
      • Bv
      • Imp-language
      • Event-macros
      • Java
      • Bitcoin
      • Ethereum
        • Mmp-trees
        • Semaphore
        • Database
        • Cryptography
        • Rlp
        • Transactions
          • Make-signed-transaction
          • Transaction
          • Maybe-byte-list20
            • Maybe-byte-list20-fix
            • Maybe-byte-list20-equiv
            • Maybe-byte-list20-case
            • Maybe-byte-list20-some
            • Maybe-byte-list20-none
            • Maybe-byte-list20p
          • Rlp-decode-transaction
          • Rlp-encode-transaction
          • Rlp-transaction-encoding-p
        • Hex-prefix
        • Basics
        • Addresses
      • Yul
      • Zcash
      • ACL2-programming-language
      • Prime-fields
      • Json
      • Syntheto
      • File-io-light
      • Cryptography
      • Number-theory
      • Lists-light
      • Axe
      • Builtins
      • Solidity
      • Helpers
      • Htclient
      • Typed-lists-light
      • Arithmetic-light
    • X86isa
    • Axe
    • Execloader
  • Math
  • Testing-utilities

• Maybe-byte-list20

Maybe-byte-list20p

Recognizer for maybe-byte-list20 structures.

Signature

(maybe-byte-list20p x) → *

Definitions and Theorems

Function: maybe-byte-list20p

(defun maybe-byte-list20p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'maybe-byte-list20p))
    (declare (ignorable __function__))
    (cond ((not x) (b* nil t))
          (t (b* ((fty::val x))
               (byte-list20p fty::val))))))