Remove ExplicitSelf from AST

src/libsyntax/fold.rs

@@ -179,14 +179,6 @@ pub trait Folder : Sized {
         // fold::noop_fold_mac(_mac, self)
     }
 
-    fn fold_explicit_self(&mut self, es: ExplicitSelf) -> ExplicitSelf {
-        noop_fold_explicit_self(es, self)
-    }
-
-    fn fold_explicit_self_kind(&mut self, es: SelfKind) -> SelfKind {
-        noop_fold_explicit_self_kind(es, self)
-    }
-
     fn fold_lifetime(&mut self, l: Lifetime) -> Lifetime {
         noop_fold_lifetime(l, self)
     }
@@ -523,28 +515,6 @@ pub fn noop_fold_attribute<T: Folder>(at: Attribute, fld: &mut T) -> Option<Attr
     })
 }
 
-pub fn noop_fold_explicit_self_kind<T: Folder>(es: SelfKind, fld: &mut T)
-                                                     -> SelfKind {
-    match es {
-        SelfKind::Static | SelfKind::Value(_) => es,
-        SelfKind::Region(lifetime, m, ident) => {
-            SelfKind::Region(fld.fold_opt_lifetime(lifetime), m, ident)
-        }
-        SelfKind::Explicit(typ, ident) => {
-            SelfKind::Explicit(fld.fold_ty(typ), ident)
-        }
-    }
-}
-
-pub fn noop_fold_explicit_self<T: Folder>(Spanned {span, node}: ExplicitSelf, fld: &mut T)
-                                          -> ExplicitSelf {
-    Spanned {
-        node: fld.fold_explicit_self_kind(node),
-        span: fld.new_span(span)
-    }
-}
-
-
 pub fn noop_fold_mac<T: Folder>(Spanned {node, span}: Mac, fld: &mut T) -> Mac {
     Spanned {
         node: Mac_ {
@@ -1096,7 +1066,7 @@ pub fn noop_fold_method_sig<T: Folder>(sig: MethodSig, folder: &mut T) -> Method
     MethodSig {
         generics: folder.fold_generics(sig.generics),
         abi: sig.abi,
-        explicit_self: folder.fold_explicit_self(sig.explicit_self),
+        self_shortcut: sig.self_shortcut,
         unsafety: sig.unsafety,
         constness: sig.constness,
         decl: folder.fold_fn_decl(sig.decl)