Struct NullDecoder 

pub struct NullDecoder;

Decoder producing Value::Null regardless of the payload’s non-null contents. Registered internally when the payload’s null discriminator is set. Users normally do not register this directly.

Trait Implementations

impl Clone for NullDecoder

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NullDecoder

impl Debug for NullDecoder

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

Formats the value using the given formatter.

impl<S, B> Decoder<PgBinary, S, B> for NullDecoder

fn decode( &self, _payload: PgBinaryColumn<'_>, ) -> Result<Value<S, B>, DecodeError>

Decode one payload.

impl Default for NullDecoder

fn default() -> Self

Returns the “default value” for a type.