     'match': '\\bstatic\\b'
   }
   {
-    'comment': 'Boolean constant'
-    'name': 'constant.language.boolean.rust'
-    'match': '\\b(true|false)\\b'
-  }
-  {
     'comment': 'Control keyword'
     'name': 'keyword.control.rust'
     'match': '\\b(break|continue|else|if|in|for|loop|match|return|while)\\b'

    'comment': 'Keyword'
    'name': 'keyword.other.rust'
    'match': '\\b(crate|extern|mod|let|proc|ref|use|super|as|move)\\b'
  }
  {
    'comment': 'Unsafe code keyword'
    'name': 'keyword.other.unsafe.rust'
    'match': '\\bunsafe\\b'
  }
  { 'include': '#unsafe' }
  { 'include': '#sigils' }

  { 'include': '#raw_string_literal' }
  { 'include': '#character_literal' }
  { 'include': '#number_literal' }
  { 'include': '#boolean_literal' }
  
  # Language
  {
