[−][src]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 Clone for WasNull[src][+]

fn clone_from(&mut self, source: &Self)1.0.0[src][−]

Performs copy-assignment from source. Read more

impl Copy for WasNull[src]

impl Display for WasNull[src][+]

impl Debug for WasNull[src][+]

impl Error for WasNull[src][+]

fn description(&self) -> &str1.0.0[src][−]

This method is soft-deprecated. Read more

fn cause(&self) -> Option<&dyn Error>1.0.0[src][−]

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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

fn source(&self) -> Option<&(dyn Error + 'static)>1.30.0[src][−]

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

Auto Trait Implementations

impl Sync for WasNull

impl Unpin for WasNull

impl Send for WasNull

impl RefUnwindSafe for WasNull

impl UnwindSafe for WasNull

Blanket Implementations

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

impl<T> From<T> for T[src][+]

impl<T> ToString for T where
    T: Display + ?Sized, [src][+]

impl<T> ToOwned for T where
    T: Clone, [src][+]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> Any for T where
    T: 'static + ?Sized, [src][+]

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> Erased for T