matching now even less awkward

grammar.js

@@ -61,7 +61,7 @@ module.exports = grammar({
       ';',
     ),
     array: $ => seq('[', $._spacing, optional(repeat($._statement)), ']'),
-    operation: $ => choice(/[+\-*\/%&]/, "=>!", "=>"),
+    operation: $ => choice(/[+\-*\/%&]/, "=>!", "=>?", "=>?!", "=>"),
     variable: $ => choice(
       seq('def', $._spacing, $.identifier),
       seq('=', $.identifier),

src/grammar.json

@@ -463,6 +463,14 @@
           "type": "STRING",
           "value": "=>!"
         },
+        {
+          "type": "STRING",
+          "value": "=>?"
+        },
+        {
+          "type": "STRING",
+          "value": "=>?!"
+        },
         {
           "type": "STRING",
           "value": "=>"

src/node-types.json

@@ -678,6 +678,14 @@
     "type": "=>!",
     "named": false
   },
+  {
+    "type": "=>?",
+    "named": false
+  },
+  {
+    "type": "=>?!",
+    "named": false
+  },
   {
     "type": ">",
     "named": false