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;; ----------------------------------------------------------------------------
;; Literals and comments
(integer) @constant.numeric.integer
(exp_negation) @constant.numeric.integer
(exp_literal (float)) @constant.numeric.float
(char) @constant.character
(string) @string
(con_unit) @constant.builtin ; unit, as in ()
(comment) @comment
;; ----------------------------------------------------------------------------
;; Punctuation
[
"("
")"
"{"
"}"
"["
"]"
] @punctuation.bracket
[
(comma)
";"
] @punctuation.delimiter
;; ----------------------------------------------------------------------------
;; Keywords, operators, includes
(pragma) @constant.macro
[
"if"
"then"
"else"
"case"
"of"
] @keyword.control.conditional
[
"import"
"qualified"
"module"
] @keyword.control.import
[
(operator)
(constructor_operator)
(type_operator)
(tycon_arrow)
(qualified_module) ; grabs the `.` (dot), ex: import System.IO
(all_names)
(wildcard)
"="
"|"
"::"
"=>"
"->"
"<-"
"\\"
"`"
"@"
] @operator
(qualified_module (module) @constructor)
(qualified_type (module) @namespace)
(qualified_variable (module) @namespace)
(import (module) @namespace)
[
(where)
"let"
"in"
"class"
"instance"
"data"
"newtype"
"family"
"type"
"as"
"hiding"
"deriving"
"via"
"stock"
"anyclass"
"do"
"mdo"
"rec"
"forall"
"∀"
"infix"
"infixl"
"infixr"
] @keyword
;; ----------------------------------------------------------------------------
;; Functions and variables
(signature name: (variable) @type)
(function name: (variable) @function)
(variable) @variable
"_" @variable.builtin
(exp_infix (variable) @operator) ; consider infix functions as operators
("@" @namespace) ; "as" pattern operator, e.g. x@Constructor
;; ----------------------------------------------------------------------------
;; Types
(type) @type
(constructor) @constructor
; True or False
((constructor) @_bool (#match? @_bool "(True|False)")) @constant.builtin.boolean
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