Rename TokenStream::empty to new
diff --git a/src/unstable.rs b/src/unstable.rs
index 2ddc939..730c5e7 100644
--- a/src/unstable.rs
+++ b/src/unstable.rs
@@ -40,11 +40,11 @@
 }
 
 impl TokenStream {
-    pub fn empty() -> TokenStream {
+    pub fn new() -> TokenStream {
         if nightly_works() {
-            TokenStream::Nightly(proc_macro::TokenStream::empty())
+            TokenStream::Nightly(proc_macro::TokenStream::new())
         } else {
-            TokenStream::Stable(stable::TokenStream::empty())
+            TokenStream::Stable(stable::TokenStream::new())
         }
     }