• Top
    • Documentation
    • Books
    • Boolean-reasoning
    • Projects
    • Debugging
    • Community
    • Std
    • Proof-automation
    • Macro-libraries
    • ACL2
    • Interfacing-tools
    • Hardware-verification
    • Software-verification
      • Kestrel-books
        • Crypto-hdwallet
        • Apt
        • Error-checking
        • Fty-extensions
          • Defbyte
          • Defresult
          • Fold
          • Specific-types
            • Pos-list
            • Defbyte-standard-instances
            • Defbytelist-standard-instances
            • Byte-list
            • Byte
            • String-option
            • Pos-option
            • Nibble
            • Nat-option
              • Nat-option-fix
              • Nat-option-case
              • Nat-option-equiv
              • Nat-option-some
                • Nat-option-some->val
                • Make-nat-option-some
                • Change-nat-option-some
                • Nat-optionp
                • Nat-option-none
              • Ubyte32-option
              • Byte-list20
              • Byte-list32
              • Byte-list64
              • Pseudo-event-form
              • Natoption/natoptionlist
              • Nati
              • Character-list
              • Nat/natlist
              • Maybe-string
              • Nibble-list
              • Natoption/natoptionlist-result
              • Nat/natlist-result
              • Nat-option-list-result
              • Set
              • String-result
              • String-list-result
              • Nat-result
              • Nat-option-result
              • Nat-list-result
              • Maybe-string-result
              • Integer-result
              • Character-result
              • Character-list-result
              • Boolean-result
              • Map
              • Bag
              • Pos-set
              • Hex-digit-char-list
              • Dec-digit-char-list
              • Pseudo-event-form-list
              • Nat-option-list
              • Character-any-map
              • Any-nat-map
              • Symbol-set
              • String-set
              • Nat-set
              • Character-set
              • Oct-digit-char-list
              • Bin-digit-char-list
              • Bit-list
            • Defsubtype
            • Defset
            • Defflatsum
            • Deflist-of-len
            • Pos-list
            • Defomap
            • Defbytelist
            • Defbyte-standard-instances
            • Deffixtype-alias
            • Defbytelist-standard-instances
            • Defunit
            • Byte-list
            • Database
            • Byte
            • String-option
            • Pos-option
            • Nibble
            • Nat-option
              • Nat-option-fix
              • Nat-option-case
              • Nat-option-equiv
              • Nat-option-some
                • Nat-option-some->val
                • Make-nat-option-some
                • Change-nat-option-some
                • Nat-optionp
                • Nat-option-none
              • Ubyte32-option
              • Byte-list20
              • Byte-list32
              • Byte-list64
              • Pseudo-event-form
              • Natoption/natoptionlist
              • Nati
              • Character-list
              • Nat/natlist
              • Maybe-string
              • Nibble-list
              • Natoption/natoptionlist-result
              • Nat/natlist-result
              • Nat-option-list-result
              • Set
              • String-result
              • String-list-result
              • Nat-result
              • Nat-option-result
              • Nat-list-result
              • Maybe-string-result
              • Integer-result
              • Character-result
              • Character-list-result
              • Boolean-result
              • Map
              • Dependencies
              • Bag
              • Pos-set
              • Hex-digit-char-list
              • Dec-digit-char-list
              • Pseudo-event-form-list
              • Nat-option-list
              • Character-any-map
              • Any-nat-map
              • Symbol-set
              • String-set
              • Nat-set
              • Character-set
              • Oct-digit-char-list
              • Bin-digit-char-list
              • Bit-list
            • Isar
            • Kestrel-utilities
            • Set
            • C
            • Soft
            • Bv
            • Imp-language
            • Ethereum
            • Event-macros
            • Java
            • Riscv
            • Bitcoin
            • Zcash
            • Yul
            • ACL2-programming-language
            • Prime-fields
            • Json
            • Syntheto
            • File-io-light
            • Cryptography
            • Number-theory
            • Axe
            • Lists-light
            • Builtins
            • Solidity
            • Helpers
            • Htclient
            • Typed-lists-light
            • Arithmetic-light
          • X86isa
          • Axe
          • Execloader
        • Math
        • Testing-utilities
      • Nat-option-some

      Change-nat-option-some

      Modifying constructor for nat-option-some structures.

      Syntax
      (change-nat-option-some x 
                              [:val <val>]) 
      

      This is an often useful alternative to make-nat-option-some.

      We construct a new nat-option-some structure that is a copy of x, except that you can explicitly change some particular fields. Any fields you don't mention just keep their values from x.

      Definition

      This is an ordinary change- macro introduced by fty::defprod.

      Macro: change-nat-option-some

      (defmacro change-nat-option-some (x &rest args)
        (std::change-aggregate 'nat-option-some
                               x args '((:val . nat-option-some->val))
                               'change-nat-option-some
                               'nil))