core: minor cleanups

[factor.git] / core / combinators / combinators.factor

diff --git a/core/combinators/combinators.factor b/core/combinators/combinators.factor
index 9016d540d7e17b44cab2d5514cd2c54b15615689..7b9481825bdd8a68cbb08822bd8ed9ad59d54bfa 100644 (file)
--- a/core/combinators/combinators.factor
+++ b/core/combinators/combinators.factor
@@ -5,6 +5,10 @@ kernel kernel.private math assocs quotations vectors
 hashtables sorting words sets math.order make ;
 IN: combinators
 
+! Most of these combinators have compile-time expansions in
+! the optimizing compiler. See stack-checker.transforms and
+! compiler.tree.propagation.call-effect
+
 <PRIVATE
 
 : call-effect-unsafe ( quot effect -- ) drop call ;