Merge pull request zargony#59 from flying-sheep/macro-arrow

made all rust operators tokenize as unit

Author: zargony

grammars/rust.cson

@@ -249,9 +249,29 @@
   { 'include': '#pub' }
   # Operators
   {
-    'comment': 'Operator'
-    'name': 'keyword.operator.rust'
-    'match': '(\\+|-|/|\\*|=|<=|>=|\\^|&|\\||!|%|::|\\bas\\b|<<|>>|>|<)'
+    'comment': 'Miscellaneous operator'
+    'name': 'keyword.operator.misc.rust'
+    'match': '(=>|::|\\bas\\b)'
+  }
+  {
+    'comment': 'Comparison operator'
+    'name': 'keyword.operator.comparison.rust'
+    'match': '(&&|\\|\\||==|!=)'
+  }
+  {
+    'comment': 'Assignment operator'
+    'name': 'keyword.operator.assignment.rust'
+    'match': '(\\+=|-=|/=|\\*=|%=|\\^=|&=|\\|=|<<=|>>=|=)'
+  }
+  {
+    'comment': 'Arithmetic operator'
+    'name': 'keyword.operator.arithmetic.rust'
+    'match': '(!|\\+|-|/|\\*|%|\\^|&|\\||<<|>>)'
+  }
+  {
+    'comment': 'Comparison operator (second group because of regex precedence)'
+    'name': 'keyword.operator.comparison.rust'
+    'match': '(<=|>=|<|>)'
   }
   # Standard types and traits
   { 'include': '#core_types' }