feat: >>>

Author: gwansikk

compiler/ml/unified_ops.ml

@@ -179,13 +179,7 @@ let entries =
       name = "%lsr";
       form = Binary;
       specialization =
-        {
-          int = Plsrint;
-          bool = None;
-          float = None;
-          bigint = None;
-          string = None;
-        };
+        {int = Plsrint; bool = None; float = None; bigint = None; string = None};
     };
     {
       path = builtin "mod";

compiler/syntax/src/res_scanner.ml

@@ -887,16 +887,14 @@ let rec scan scanner =
         next scanner;
         Token.Plus)
     | '>' -> (
-      match peek scanner with
-      | '>' -> (
-        match peek2 scanner with
-        | '>' ->
-          next3 scanner;
-          Token.GreaterThanGreaterThanGreaterThan
-        | _ ->
-          next2 scanner;
-          Token.GreaterThanGreaterThan)
-      | '=' when not (in_diamond_mode scanner) ->
+      match (peek scanner, peek2 scanner) with
+      | '>', '>' when not (in_diamond_mode scanner) ->
+        next3 scanner;
+        Token.GreaterThanGreaterThanGreaterThan
+      | '>', _ when not (in_diamond_mode scanner) ->
+        next2 scanner;
+        Token.GreaterThanGreaterThan
+      | '=', _ when not (in_diamond_mode scanner) ->
         next2 scanner;
         Token.GreaterEqual
       | _ ->
@@ -1039,6 +1037,9 @@ let reconsider_less_than scanner =
   if scanner.ch == '/' then
     let () = next scanner in
     Token.LessThanSlash
+  else if scanner.ch == '<' then (
+    next scanner;
+    Token.LessThanLessThan)
   else Token.LessThan
 
 (* If an operator has whitespace around both sides, it's a binary operator *)

compiler/syntax/src/res_token.ml

@@ -110,7 +110,9 @@ let precedence = function
   | Equal | EqualEqual | EqualEqualEqual | LessThan | GreaterThan | BangEqual
   | BangEqualEqual | LessEqual | GreaterEqual | BarGreater ->
     5
-  | Plus | PlusDot | Minus | MinusDot | PlusPlus | LessThanLessThan | GreaterThanGreaterThan | GreaterThanGreaterThanGreaterThan -> 6
+  | Plus | PlusDot | Minus | MinusDot | PlusPlus | LessThanLessThan | GreaterThanGreaterThan
+  | GreaterThanGreaterThanGreaterThan ->
+    6
   | Asterisk | AsteriskDot | Forwardslash | ForwardslashDot | Percent -> 7
   | Exponentiation -> 8
   | MinusGreater -> 9