Enum PseudoElement 

pub enum PseudoElement {
    Before,
    After,
    Marker,
    FirstLine,
    FirstLetter,
    Placeholder,
}

疑似要素（::before / ::after、レガシー単コロンも含む）。 動的な状態を持つ疑似クラスとは別枠で扱う（要素自体のマッチ判定には影響しない）。

Variants

Before

After

Marker

FirstLine

FirstLetter

Placeholder

Trait Implementations

impl Clone for PseudoElement

fn clone(&self) -> PseudoElement

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PseudoElement

impl Debug for PseudoElement

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for PseudoElement

impl PartialEq for PseudoElement

fn eq(&self, other: &PseudoElement) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for PseudoElement