reduction meta ops need another [] layer for sub refs

Raku · Jun 29, 2016 · 12b7637 · 12b7637
1 parent 9256c86
commit 12b7637
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/doc/Language/operators.pod b/doc/Language/operators.pod
@@ -296,11 +296,12 @@ to destructure a List of Lists.
 =head1 Reduction Operators
 
 Reduction operators apply any infix operator, surrounded by C<[> and C<]>,
-element by element and return the resulting value.
+element by element and return the resulting value. To use a function reference
+provide an additional layer of C<[> and C<]>.
 
     say [+] 1, 2, 3; # 6
     sub plus { $^a + $^b };
-    say [&plus] 1, 2, 3; # 6
+    say [[&plus]] 1, 2, 3; # 6
 
 They can be defined as a list prefix operators or will be generated automatically.