Trait Visitor 

pub trait Visitor<'de>: Sized {
    type Value;

    // Provided methods
    fn visit_str(self, _v: &str) -> Result<Self::Value> { ... }
    fn visit_bool(self, _v: bool) -> Result<Self::Value> { ... }
    fn visit_map<M>(self, _map: M) -> Result<Self::Value>
       where M: MapAccess<'de> { ... }
    fn visit_vec<V>(self, _vec: V) -> Result<Self::Value>
       where V: VecAccess<'de> { ... }
    fn visit_enum<De>(
        self,
        _name: &str,
        _deserializer: De,
    ) -> Result<Self::Value>
       where De: Deserializer<'de> { ... }
    fn visit_key<De>(self, _deserializer: &De) -> Result<&'de str>
       where De: Deserializer<'de> { ... }
    fn with_extension<T>(self, master: Option<T>, slave: Option<T>) -> Option<T>
       where T: Element { ... }
}

Required Associated Types

type Value

Provided Methods

fn visit_str(self, _v: &str) -> Result<Self::Value>

fn visit_bool(self, _v: bool) -> Result<Self::Value>

fn visit_map<M>(self, _map: M) -> Result<Self::Value>

where M: MapAccess<'de>,

fn visit_vec<V>(self, _vec: V) -> Result<Self::Value>

where V: VecAccess<'de>,

fn visit_enum<De>(self, _name: &str, _deserializer: De) -> Result<Self::Value>

where De: Deserializer<'de>,

fn visit_key<De>(self, _deserializer: &De) -> Result<&'de str>

where De: Deserializer<'de>,

fn with_extension<T>(self, master: Option<T>, slave: Option<T>) -> Option<T>

where T: Element,

将一个没有扩展信息的值与一个有扩展信息的值进行合并

参数

• master: 没有扩展信息的数据
• slave: 有扩展信息的值

返回值

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<'de, T> Visitor<'de> for VecVisitor<T>

where T: Deserialize<'de>,

type Value = Vec<T>