pub struct Row<T, U, R> {
pub type_fields: T,
pub fields: U,
pub rest: R,
}
Fields§
§type_fields: T
§fields: U
§rest: R
Trait Implementations§
source§impl<T: FieldTypes, U: FieldValues, R: VmType> VmType for Row<T, U, R>
impl<T: FieldTypes, U: FieldValues, R: VmType> VmType for Row<T, U, R>
§type Type = Record<<T as FieldTypes>::Type, <U as FieldValues>::Type>
type Type = Record<<T as FieldTypes>::Type, <U as FieldValues>::Type>
A version of
Self
which implements Any
allowing a TypeId
to be retrievedfn make_forall_type(vm: &Thread) -> ArcType
source§const EXTRA_ARGS: VmIndex = 0u32
const EXTRA_ARGS: VmIndex = 0u32
How many extra arguments a function returning this type requires.
Used for abstract types which when used in return position should act like they still need
more arguments before they are called
Auto Trait Implementations§
impl<T, U, R> RefUnwindSafe for Row<T, U, R>
impl<T, U, R> Send for Row<T, U, R>
impl<T, U, R> Sync for Row<T, U, R>
impl<T, U, R> Unpin for Row<T, U, R>
impl<T, U, R> UnwindSafe for Row<T, U, R>
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
§impl<Choices> CoproductSubsetter<CNil, HNil> for Choices
impl<Choices> CoproductSubsetter<CNil, HNil> for Choices
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
§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
.§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
.§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.§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.