// Unit struct means a named value containing no data.
Unit struct means a named value containing no data.
Unit struct means a named value containing no data .
fn deserialize_unit_struct<V>(self, _name: &'static str, _visitor: V) -> Result<V::Value>
    where
        V: Visitor<'de>,
    {
        // self.deserialize_unit(visitor)
        unimplemented!()
    }
fn deserialize_unit_struct < V > ( self , _name : & ' static str , _visitor : V ) -> Result < V :: Value > where V : Visitor < ' de > , { // self.deserialize_unit(visitor) unimplemented ! ( ) }
Unit struct means a named value containing no data.
Unit struct means a named value containing no data .
self
_name
&'static str
_visitor
V