Format paths

tests/source/fn-simple.rs

@@ -9,3 +9,11 @@ fn weird_comment(/* /*/ double level */ comment */ x: Hello /*/*/* tripple, even
 ) {
         simple(/* does this preserve comments now? */ 42, NoWay)
 }
+
+fn generic<T>(arg: T) -> &SomeType
+    where T: Fn(// First arg
+        A,
+        // Second argument
+        B, C, D, /* pre comment */ E /* last comment */) -> &SomeType {
+    arg(a, b, c, d, e)    
+}

tests/source/paths.rs

@@ -0,0 +1,22 @@
+
+fn main() {
+    // FIXME(#133): the list rewrite should fail and force a different format
+   let constellation_chan = Constellation::<layout::layout_task::LayoutTask,  script::script_task::ScriptTask> ::start(
+     compositor_proxy,
+     resource_task,
+     image_cache_task,font_cache_task,
+     time_profiler_chan,
+     mem_profiler_chan,
+     devtools_chan,
+     storage_task,
+     supports_clipboard
+    );
+
+     Quux::<ParamOne,   // Comment 1
+            ParamTwo,   // Comment 2
+                    >::some_func();
+
+     AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA::BBBBBBBBBBBBBBBBBBBBBBBBBBBB::CCCCCCCCCCCCCCCCCCCCCC::quux();
+}
+
+fn op(foo: Bar, key : &[u8], upd : Fn(Option<&memcache::Item> , Baz  ) -> Result) -> MapResult {}

tests/source/struct_lits.rs

@@ -48,3 +48,8 @@ fn matcher() {
     },
     };
 }
+
+fn issue177() {
+    struct Foo<T> { memb: T }
+    let foo = Foo::<i64> { memb: 10 };
+}