pub enum IsNull {
Yes,
No,
}Expand description
The return type of Encode::encode.
Variantsยง
Yes
The value is null; no data was written.
No
The value is not null.
This does not mean that data was written.
Auto Trait Implementationsยง
impl Freeze for IsNull
impl RefUnwindSafe for IsNull
impl Send for IsNull
impl Sync for IsNull
impl Unpin for IsNull
impl UnsafeUnpin for IsNull
impl UnwindSafe for IsNull
Blanket Implementationsยง
Sourceยงimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Sourceยงfn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
Sourceยงimpl<T> Instrument for T
impl<T> Instrument for T
Sourceยงfn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Sourceยงfn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Sourceยงimpl<T> IntoEither for T
impl<T> IntoEither for T
Sourceยงfn into_either(self, into_left: bool) -> Either<Self, Self> โ
fn into_either(self, into_left: bool) -> Either<Self, Self> โ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSourceยงfn into_either_with<F>(self, into_left: F) -> Either<Self, Self> โ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> โ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more