pub struct MoreThanOnce;
Expand description
A table appears in the from clause two or more times.
Trait Implementations§
Source§impl Plus<MoreThanOnce> for Once
impl Plus<MoreThanOnce> for Once
Source§type Output = MoreThanOnce
type Output = MoreThanOnce
The result of adding these numbers together
Source§impl<T> Plus<T> for MoreThanOnce
impl<T> Plus<T> for MoreThanOnce
Source§type Output = MoreThanOnce
type Output = MoreThanOnce
The result of adding these numbers together
Auto Trait Implementations§
impl Freeze for MoreThanOnce
impl RefUnwindSafe for MoreThanOnce
impl Send for MoreThanOnce
impl Sync for MoreThanOnce
impl Unpin for MoreThanOnce
impl UnwindSafe for MoreThanOnce
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
Source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.Source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.Source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.Source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.