Combinator Enum

https://drafts.csswg.org/selectors-4/#combinators

public enum Combinator : byte

Fields

Name	Value	Description
`Descendant`	`0`	The descendant combinator (whitespace).
`Child`	`1`	The child combinator (`>`).
`NextSibling`	`2`	The next-sibling combinator (`+`).
`SubsequentSibling`	`3`	The subsequent-sibling combinator (`~`).