Format with rustfmt 1.0.0-nightly
diff --git a/codegen/src/main.rs b/codegen/src/main.rs
index c4c8b8f..25d72ca 100644
--- a/codegen/src/main.rs
+++ b/codegen/src/main.rs
@@ -19,8 +19,8 @@
 extern crate proc_macro2;
 #[macro_use]
 extern crate quote;
-extern crate syn;
 extern crate rustfmt_nightly as rustfmt;
+extern crate syn;
 
 use failure::{err_msg, Error};
 use proc_macro2::{Span, TokenStream};
@@ -46,9 +46,7 @@
 const TERMINAL_TYPES: &[&str] = &["Span", "Ident"];
 
 fn path_eq(a: &syn::Path, b: &str) -> bool {
-    a.leading_colon.is_none()
-        && a.segments.len() == 1
-        && a.segments[0].ident == b
+    a.leading_colon.is_none() && a.segments.len() == 1 && a.segments[0].ident == b
 }
 
 fn get_features(attrs: &[Attribute], mut features: TokenStream) -> TokenStream {
@@ -197,10 +195,11 @@
 
     fn peek_tag(input: ParseStream, tag: &str) -> bool {
         let ahead = input.fork();
-        ahead.parse::<Token![#]>().is_ok() && ahead
-            .parse::<Ident>()
-            .map(|ident| ident == tag)
-            .unwrap_or(false)
+        ahead.parse::<Token![#]>().is_ok()
+            && ahead
+                .parse::<Ident>()
+                .map(|ident| ident == tag)
+                .unwrap_or(false)
     }
 
     // Parses #full - returns #[cfg(feature = "full")] if it is present, and
@@ -995,7 +994,8 @@
     write!(
         file,
         "// THIS FILE IS AUTOMATICALLY GENERATED; DO NOT EDIT\n\n"
-    ).unwrap();
+    )
+    .unwrap();
     let mut config = rustfmt::Config::default();
     config.set().emit_mode(rustfmt::EmitMode::Stdout);
     config.set().verbose(rustfmt::Verbosity::Quiet);