tree-sitter-tiger/test/highlight/built-ins.tig

let
  var a := exit(0)
  /*       ^ function.builtin */

  primitive exit(ret: int) /* Shadowing the prelude-included built-in */
  /*                  ^ type.builtin */

  var b := exit(0)
  /*       ^ function */

  type int = string /* Shadowing the built-in type */
  /*         ^ type.builtin */

  var c : int := "This is an \"int\""
  /*      ^ type.builtin (not sure why it isn't 'type')*/
in
  let
    var c : int := "This is an int"
    /*      ^ type.builtin (not sure why it isn't 'type')*/
  in
  end;

  exit(1);
  /* <- function */

  print("shadowing is fun");
  /* <- function.builtin */

  b := print
  /*   ^ variable */
end