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-rw-r--r--symbol.lisp9
1 files changed, 9 insertions, 0 deletions
diff --git a/symbol.lisp b/symbol.lisp
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+++ b/symbol.lisp
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+(in-package #:symbol)
+
+(defun normalize (sym expression)
+ (nsubst-if sym
+ (lambda (x)
+ (and (symbolp x)
+ (string-equal (symbol-name x)
+ (symbol-name sym))))
+ expression))