Revert "Add convertion from Token to proc_macro::Tokens"

This reverts commit 3b20d7f.
dtolnay · Jul 6, 2017 · 0b8ebcb · 0b8ebcb
1 parent 3b20d7f
commit 0b8ebcb
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diff --git a/src/lib.rs b/src/lib.rs
@@ -58,7 +58,6 @@
 //! recursion limit by adding `#![recursion_limit = "128"]` to your crate. An even
 //! higher limit may be necessary for especially large invocations.
 
-extern crate proc_macro;
 extern crate proc_macro2;
 
 mod tokens;

diff --git a/src/tokens.rs b/src/tokens.rs
@@ -1,7 +1,6 @@
 use super::ToTokens;
 use std::fmt::{self, Display};
 
-use proc_macro;
 use proc_macro2::{TokenStream, TokenTree, TokenNode, Term, Span};
 use proc_macro2::Delimiter;
 
@@ -126,13 +125,6 @@ impl From<Tokens> for TokenStream {
     }
 }
 
-impl From<Tokens> for proc_macro::TokenStream {
-    fn from(tokens: Tokens) -> proc_macro::TokenStream {
-        let tokens: TokenStream = tokens.into();
-        tokens.into()
-    }
-}
-
 impl Default for Tokens {
     fn default() -> Self {
         Tokens::new()