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Require copy-expression is implemented

Samuel W. Flint 4 years ago
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commit
b302de8878
1 changed files with 3 additions and 0 deletions
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      larcs.org

+ 3 - 0
larcs.org

@@ -101,6 +101,9 @@ Note, by default, ~eqal~ will handle ~type-error~ by trying to switch the order
         (declare (ignore err))
         (eqal expression-b expression-a))))
 
+  @export
+  (defgeneric copy-expression (expression))
+
   @export
   (defgeneric substitute-expression (expression with in))