libproc_macro - Debug impl on LexError

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/libproc_macro/src/lib.rs b/lib/libproc_macro/src/lib.rs
index 8b8ad7a6..a8e34f53 100644
--- a/lib/libproc_macro/src/lib.rs
+++ b/lib/libproc_macro/src/lib.rs
@@ -22,7 +22,8 @@ enum Token {
     Fragment(FragmentType, u64),    // Type and a key
 }
 #[repr(u8)]
-enum FragementType {
+#[derive(Copy,Clone)] // TODO: Is this just a mrustc thing?
+enum FragmentType {
     Ident = 0,
     Tt = 1,
 
@@ -74,6 +75,11 @@ impl<T: Iterator<Item=char>> CharStream<T> {
 pub struct LexError {
     _inner: (),
 }
+impl ::std::fmt::Debug for LexError {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+        f.write_str("LexError")
+    }
+}
 impl FromStr for TokenStream {
     type Err = LexError;
     fn from_str(src: &str) -> Result<TokenStream, LexError> {