[#48] Use modules with assignments (#49)

Author: jonhue

grammar.js

@@ -342,12 +342,7 @@ module.exports = grammar({
     ),
     expression_list: $ => commaSep1($._simple_expression),
 
-    module: $ => seq(
-      'module',
-      field('name', $.identifier),
-      optional('where'),
-      field('body', $.block)
-    ),
+    module: $ => seq('module', field('body', $.block)),
 
     map: $ => seq(
       '{',

test/corpus/expressions.txt

@@ -536,22 +536,24 @@ else 1
 module
 ==================
 
-module a
+a := module
   a := 1
-module a where a := 1
+a := module a := 1
 
 ---
 
 (program
-  (module
-    name: (identifier)
-    body: (block
-      (assignment
-        left: (identifier_pattern)
-        right: (number))))
-  (module
-    name: (identifier)
-    body: (block
-      (assignment
-        left: (identifier_pattern)
-        right: (number)))))
+  (assignment
+    left: (identifier_pattern)
+    right: (module
+      body: (block
+        (assignment
+          left: (identifier_pattern)
+          right: (number)))))
+  (assignment
+    left: (identifier_pattern)
+    right: (module
+      body: (block
+        (assignment
+          left: (identifier_pattern)
+          right: (number))))))