Enum Via 

pub enum Via {
    Css,
    Xpath,
    Json,
    Regex,
    Raw,
}

抽取后端(决定 select 的语义)。

Variants

Css

Xpath

Json

Regex

Raw

直接使用当前上下文值(只跑 clean)。

Trait Implementations

impl Clone for Via

fn clone(&self) -> Via

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Via

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

Formats the value using the given formatter.

impl Default for Via

fn default() -> Via

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Via

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Hash for Via

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Via

fn eq(&self, other: &Via) -> 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 Serialize for Via

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for Via

impl Eq for Via

impl StructuralPartialEq for Via