foo()
Foobar_42{}
Foo_Bar ! []

----------------------------------------------------

[
	["function", "foo"], ["punctuation", "("], ["punctuation", ")"],
	["function", "Foobar_42"], ["punctuation", "{"], ["punctuation", "}"],
	["function", "Foo_Bar"], ["operator", "!"], ["punctuation", "["], ["punctuation", "]"]
]

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Checks for functions.