[Cool-str] fixed .trans case where @changes is []

This un-breaks one of the tests in trans.rakudo.
rakudo · Nov 9, 2010 · 4d33bae · 4d33bae
1 parent 2c66f9a
commit 4d33bae
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/Cool-str.pm b/src/core/Cool-str.pm
@@ -164,6 +164,8 @@ augment class Cool {
     }
 
     multi method trans(*@changes) {
+        return self unless @changes;
+
         my sub expand($s) {
             return $s.list if $s ~~ Iterable|Positional;
             gather for $s.comb(/ (\w) '..' (\w) | . /, :match) {