fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
    where
        A: MapAccess<'de>,
    {
        let _ = map;
        Err(Error::invalid_type(Unexpected::Map, &self))
    }
/// The input contains a key-value map.
///
/// The default implementation fails with a type error.
The input contains a key-value map.
The default implementation fails with a type error.
The input contains a key - value map . The default implementation fails with a type error .
fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
    where
        A: MapAccess<'de>,
    {
        let _ = map;
        Err(Error::invalid_type(Unexpected::Map, &self))
    }
fn visit_map < A > ( self , map : A ) -> Result < Self :: Value , A :: Error > where A : MapAccess < ' de > , { let _ = map ; Err ( Error :: invalid_type ( Unexpected :: Map , & self ) ) }
The input contains a key-value map.
The input contains a key - value map .
self
map
A
self
map
A