Implement assignment

bindings/dust

@@ -1 +1 @@
-Subproject commit 1f829d930a8a5d4683ac41c6a2085c5f482868cd
+Subproject commit b476818ba3a5e005684fe3e3ee144b1014a6d5d0

examples/fetch.ds

@@ -1,4 +1,4 @@
-raw_data = download("https://api.sampleapis.com/futurama/cast");
-data = from_json(raw_data);
+raw_data = download <"https://api.sampleapis.com/futurama/cast"> 
+dust_data = from_json <raw_data>
 
-assert_equal("Billy West", data.0.name);
+assert_equal <"Billy West", data.0.name>

examples/list.ds

@@ -1,12 +1,7 @@
-# Lists are created by grouping items in partheses and separating them with
-# commas.
+numbers = [1, 2 3]
 
-numbers = (1, 2, 3);
+x = numbers.0
+y = numbers.1
+z = numbers.2
 
-# To access the values in a list, use an integer as an index.
-
-x = numbers.0;
-y = numbers.1;
-z = numbers.2;
-
-assert_equal(x + y, z);
+assert_equal <x + y, z>

grammar.js

@@ -123,7 +123,7 @@ module.exports = grammar({
     assignment: $ => prec.right(seq(
       $.identifier,
       choice("=", "+=", "-="),
-      $.expression,
+      $.statement,
     )),
 
     select: $ => prec.right(seq(

src/grammar.json

@@ -550,7 +550,7 @@
           },
           {
             "type": "SYMBOL",
-            "name": "expression"
+            "name": "statement"
           }
         ]
       }

src/node-types.json

@@ -8,11 +8,11 @@
       "required": true,
       "types": [
         {
-          "type": "expression",
+          "type": "identifier",
           "named": true
         },
         {
-          "type": "identifier",
+          "type": "statement",
           "named": true
         }
       ]