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Instr-option-some

Change-instr-option-some

Modifying constructor for instr-option-some structures.

Syntax

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

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

We construct a new instr-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-instr-option-some

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