| --- | |
| src/lib.rs | 1 + | |
| 1 file changed, 1 insertion(+) | |
| diff --git b/src/lib.rs a/src/lib.rs | |
| index d3eab1a0..8a9561ba 100644 | |
| --- b/src/lib.rs | |
| +++ a/src/lib.rs | |
| @@ -1,3 +1,4 @@ | |
| +extern crate proc_macro; | |
| use proc_macro::TokenStream; | |
| use proc_macro2::{Group, TokenStream as TokenStream2, TokenTree}; | |
| use quote::quote; |