Belt.Int.toString(n)
<Button />
@react.component
type poly = [ | #Poly | #Variant ]

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

[
	["class-name", "Belt"],
	["punctuation", "."],
	["class-name", "Int"],
	["punctuation", "."],
	["function", "toString"],
	["punctuation", "("],
	"n",
	["punctuation", ")"],

	["operator", "<"],
	["class-name", "Button"],
	["operator", "/"],
	["operator", ">"],

	["class-name", "@react.component"],

	["keyword", "type"],
	["constant", "poly"],
	["operator", "="],
	["punctuation", "["],
	["operator", "|"],
	["class-name", "#Poly"],
	["operator", "|"],
	["class-name", "#Variant"],
	["punctuation", "]"]
]

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

Checks for class names.
