use debruijn indexing

[lambda.git] / mem.h

diff --git a/mem.h b/mem.h
index 1964654..1b7fd29 100644 (file)
--- a/mem.h
+++ b/mem.h
@@ -5,4 +5,5 @@
 
 void lambda_free(struct lambda *);
 struct lambda *copy(struct lambda *);
+struct lambda *shallow_copy(struct lambda *);
 #endif