fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
    where
        E: Error,
    {
        Err(Error::invalid_type(Unexpected::Unsigned(v), &self))
    }
/// The input contains a `u64`.
///
/// The default implementation fails with a type error.
The input contains a `u64`.
The default implementation fails with a type error.
The input contains a ` u64 ` . The default implementation fails with a type error .
fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
    where
        E: Error,
    {
        Err(Error::invalid_type(Unexpected::Unsigned(v), &self))
    }
fn visit_u64 < E > ( self , v : u64 ) -> Result < Self :: Value , E > where E : Error , { Err ( Error :: invalid_type ( Unexpected :: Unsigned ( v ) , & self ) ) }
The input contains a `u64`.
The input contains a ` u64 ` .
self
v
u64
self
v
u64