diff -r 42c833fb1fd5 -r d131deb9d2f4 copy_if.hpp
--- a/copy_if.hpp	Fri Sep 21 21:22:56 2012 +0900
+++ b/copy_if.hpp	Fri Sep 21 21:26:35 2012 +0900
@@ -39,7 +39,7 @@
 {
     for ( ; first != last; ++first )
         if (p(*first))
-            *result++ = first;
+            *result++ = *first;
     return result;
 }
 #endif
@@ -75,7 +75,7 @@
                                 OutputIterator result, Predicate p )
 {
     for ( ; first != last && p(*first); ++first )
-        *result++ = first;
+        *result++ = *first;
     return result;
 }
 
@@ -109,7 +109,7 @@
 OutputIterator copy_until ( InputIterator first, InputIterator last, OutputIterator result, Predicate p )
 {
     for ( ; first != last && !p(*first); ++first )
-        *result++ = first;
+        *result++ = *first;
     return result;
 }