syntax: Clean out obsolete syntax parsing

All of these features have been obsolete since February 2014, where most have
been obsolete since 2013. There shouldn't be any more need to keep around the
parser hacks after this length of time.

1 files changed, 1 insertions, 4 deletions

diff --git a/src/libsyntax/parse/lexer.rs b/src/libsyntax/parse/lexer.rs
index c78d2aaf3a7..317ba977c56 100644
--- a/src/libsyntax/parse/lexer.rs
+++ b/src/libsyntax/parse/lexer.rs
@@ -790,10 +790,7 @@ fn next_token_inner(rdr: &mut StringReader) -> token::Token {
           '<' => { return binop(rdr, token::SHL); }
           '-' => {
             bump(rdr);
-            match rdr.curr.unwrap_or('\x00') {
-              '>' => { bump(rdr); return token::DARROW; }
-              _ => { return token::LARROW; }
-            }
+            return token::LARROW;
           }
           _ => { return token::LT; }
         }