diff --git a/src/lib.rs b/src/lib.rs | |
index 3d4d185..9081ecf 100644 | |
--- a/src/lib.rs | |
+++ b/src/lib.rs | |
@@ -1,3 +1,4 @@ | |
+extern crate proc_macro; | |
use proc_macro::TokenStream; | |
use proc_macro2::{Delimiter, Group, TokenStream as TokenStream2, TokenTree}; | |
use quote::quote; |