[breaking-change] don't glob export ast::MetaItem_

src/libsyntax/ext/build.rs

@@ -1102,21 +1102,21 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
     }
 
     fn meta_word(&self, sp: Span, w: InternedString) -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaWord(w)))
+        P(respan(sp, ast::MetaItemKind::Word(w)))
     }
     fn meta_list(&self,
                  sp: Span,
                  name: InternedString,
                  mis: Vec<P<ast::MetaItem>> )
                  -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaList(name, mis)))
+        P(respan(sp, ast::MetaItemKind::List(name, mis)))
     }
     fn meta_name_value(&self,
                        sp: Span,
                        name: InternedString,
                        value: ast::LitKind)
                        -> P<ast::MetaItem> {
-        P(respan(sp, ast::MetaNameValue(name, respan(sp, value))))
+        P(respan(sp, ast::MetaItemKind::NameValue(name, respan(sp, value))))
     }
 
     fn item_use(&self, sp: Span,

src/libsyntax/ext/expand.rs

@@ -348,7 +348,7 @@ fn contains_macro_use(fld: &mut MacroExpander, attrs: &[ast::Attribute]) -> bool
 
         if is_use {
             match attr.node.value.node {
-                ast::MetaWord(..) => (),
+                ast::MetaItemKind::Word(..) => (),
                 _ => fld.cx.span_err(attr.span, "arguments to macro_use are not allowed here"),
             }
             return true;