Struct tokio_postgres::types::WasNull

pub struct WasNull;

An error indicating that a NULL Postgres value was passed to a FromSql implementation that does not support NULL values.

Trait Implementations

impl Copy for WasNull

impl Clone for WasNull

fn clone(&self) -> WasNull

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for WasNull

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

Formats the value using the given formatter.

impl Display for WasNull

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Error for WasNull

fn description(&self) -> &str

This method is soft-deprecated.

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any.

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.