SHE LIVES!

src/output.rs

@@ -30,4 +30,25 @@ impl DummyOutput {
             out : String::new()
         }
     }
+}
+
+
+pub struct StringFillerOutput<'s> {
+    string : &'s mut String
+}
+
+
+impl<'s> Output for StringFillerOutput<'s> {
+    fn write(&mut self, data : &str) {
+        *self.string += data;
+    }
+}
+
+impl<'a> StringFillerOutput<'a> {
+    pub fn new(string : &'a mut String) -> StringFillerOutput<'a> {
+        // TODO: reserve() to make this faster than dummyoutput
+        StringFillerOutput {
+            string
+        }
+    }
 }