libsyntax: use `#[deriving(Copy)]`

1 files changed, 1 insertions, 3 deletions

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index c234c172fd8..3ad224b93ce 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -104,7 +104,7 @@ type ItemInfo = (Ident, Item_, Option<Vec<Attribute> >);
 
 /// How to parse a path. There are four different kinds of paths, all of which
 /// are parsed somewhat differently.
-#[deriving(PartialEq)]
+#[deriving(Copy, PartialEq)]
 pub enum PathParsingMode {
     /// A path with no type parameters; e.g. `foo::bar::Baz`
     NoTypesAllowed,
@@ -116,8 +116,6 @@ pub enum PathParsingMode {
     LifetimeAndTypesWithColons,
 }
 
-impl Copy for PathParsingMode {}
-
 enum ItemOrViewItem {
     /// Indicates a failure to parse any kind of item. The attributes are
     /// returned.