lib/rbs/parser.y in rbs-0.6.0 vs lib/rbs/parser.y in rbs-0.7.0

@@ -518,10 +518,10 @@
                                   location: val[0].location + val[1].location)
       }
 
   method_name:
       tOPERATOR
-    | kAMP | kHAT | kSTAR | kLT | kEXCLAMATION | kSTAR2 | kBAR | kOUT | kIN
+    | kAMP | kHAT | kSTAR | kLT | kEXCLAMATION | kSTAR2 | kBAR
     | method_name0
     | method_name0 kQUESTION {
         unless val[0].location.pred?(val[1].location)
           raise SyntaxError.new(token_str: "kQUESTION", error_value: val[1])
         end