void foo(int a) {}
foo(0);
Bar::foo;

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

[
	["keyword", "void"],
	["function", "foo"],
	["punctuation", "("],
	["keyword", "int"],
	" a",
	["punctuation", ")"],
	["punctuation", "{"],
	["punctuation", "}"],

	["function", "foo"],
	["punctuation", "("],
	["number", "0"],
	["punctuation", ")"],
	["punctuation", ";"],

	["class-name", "Bar"],
	["operator", ":"],
	["operator", ":"],
	["function", "foo"],
	["punctuation", ";"]
]

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

Checks for functions.