1 files changed, 16 insertions, 0 deletions
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 1fdb6dd505f..87983e1aea3 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -250,6 +250,13 @@ pub trait AstBuilder {
                    expr: P<ast::Expr>)
                    -> P<ast::Item>;
 
+    fn item_const(&self,
+                   span: Span,
+                   name: Ident,
+                   ty: P<ast::Ty>,
+                   expr: P<ast::Expr>)
+                   -> P<ast::Item>;
+
     fn item_ty_poly(&self,
                     span: Span,
                     name: Ident,
@@ -1033,6 +1040,15 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         self.item(span, name, Vec::new(), ast::ItemStatic(ty, mutbl, expr))
     }
 
+    fn item_const(&self,
+                  span: Span,
+                  name: Ident,
+                  ty: P<ast::Ty>,
+                  expr: P<ast::Expr>)
+                  -> P<ast::Item> {
+        self.item(span, name, Vec::new(), ast::ItemConst(ty, expr))
+    }
+
     fn item_ty_poly(&self, span: Span, name: Ident, ty: P<ast::Ty>,
                     generics: Generics) -> P<ast::Item> {
         self.item(span, name, Vec::new(), ast::ItemTy(ty, generics))