implement Ord for OutlivesPredicate and other types

2018-05-17 17:42:02 -04:00
parent 1977849257
commit 9a8400c3ff
11 changed files with 100 additions and 34 deletions
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -667,7 +667,7 @@ pub enum PatKind {
    Mac(Mac),
 }

-#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
 pub enum Mutability {
    Mutable,
    Immutable,