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-rw-r--r--algebraic-structures.alternative.scm4
1 files changed, 2 insertions, 2 deletions
diff --git a/algebraic-structures.alternative.scm b/algebraic-structures.alternative.scm
index c397304..c441689 100644
--- a/algebraic-structures.alternative.scm
+++ b/algebraic-structures.alternative.scm
@@ -1,5 +1,5 @@
-(functor ((algebraic-structures alternative) (A (pure map map2 alt empty)))
- (pure map map2 alt empty guard)
+(functor ((algebraic-structures alternative) (A (pure map1 map2 map apply alt empty)))
+ (pure map1 map2 map apply alt empty guard)
(import (except scheme map apply)
(only (chicken base) void)
A)