seperated builtins

vim/monkey.vim

@@ -11,24 +11,25 @@ endif
 
 syntax case match
 
-syntax keyword xType true false
+syntax keyword xType true false null
 
 syntax keyword xKeyword let fn if else return while
 
-syntax keyword xFunction len input print first last rest push pop exit
+syntax keyword xFunction len input print first last rest push pop exit assert
 
 syntax keyword xOperator == != < > !
 syntax keyword xOperator + - * / =
 
 syntax region xString start=/"/ skip=/\\./ end=/"/
 
-" syntax region xComment start='#' end='$' keepend
+syntax region xComment start='#' end='$' keepend
+syntax region xComment start='//' end='$' keepend
 
 highlight link xType Type
 highlight link xKeyword Keyword
 highlight link xFunction Function
 highlight link xString String
-" highlight link xComment Comment
+ highlight link xComment Comment
 highlight link xOperator Operator
 highlight Operator ctermfg=5