Implement RFC 1925

2017-08-26 17:09:31 -05:00
parent ed532c0d93
commit f866152991
7 changed files with 81 additions and 2 deletions
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -810,6 +810,7 @@ pub struct Arm {
    pub pats: Vec<P<Pat>>,
    pub guard: Option<P<Expr>>,
    pub body: P<Expr>,
+    pub beginning_vert: Option<Span>, // For RFC 1925 feature gate
 }

 #[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]