refactors

crsn_arith/src/parse.rs

@@ -24,8 +24,8 @@ impl CrsnExtension for ArithOps {
         "arith"
     }
 
-    fn parse_op(&self, keyword: &str, mut args: ArgParser) -> Result<ParseOpRes, Error> {
-        Ok(ParseOpRes::Parsed(Op::Ext(Box::new(match keyword {
+    fn parse_op(&self, keyword: &str, mut args: ArgParser) -> Result<ParseOpRes<Op>, Error> {
+        Ok(ParseOpRes::parsed(match keyword {
             "cmp" => {
                 ArithOp::Compare {
                     a: args.next_rd()?,
@@ -450,6 +450,6 @@ impl CrsnExtension for ArithOps {
             _other => {
                 return Ok(ParseOpRes::Unknown(args));
             }
-        }))))
+        }))
     }
 }