[Truffle] Add String#+@ and String#-@

jruby · Apr 20, 2016 · 860c94e · 860c94e
1 parent 0b1c92c
commit 860c94e
Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/spec/truffle/tags/core/string/uminus_tags.txt b/spec/truffle/tags/core/string/uminus_tags.txt
diff --git a/spec/truffle/tags/core/string/uplus_tags.txt b/spec/truffle/tags/core/string/uplus_tags.txt
diff --git a/truffle/src/main/ruby/core/string.rb b/truffle/src/main/ruby/core/string.rb
@@ -28,4 +28,12 @@ def downcase
     s
   end
 
+  def +@
+    frozen? ? dup : self
+  end
+
+  def -@
+    frozen? ? self : dup.freeze
+  end
+
 end
-Original file line number
+Diff line change
@@ @@ -28,4 +28,12 @@ def downcase @@
         s
       end
+      def +@
+        frozen? ? dup : self
+      end
+      def -@
+        frozen? ? self : dup.freeze
+      end
     end