Enum sp_runtime_interface::wasm::WrappedFFIValue[−][src]

pub enum WrappedFFIValue<T, O = ()> {
    Wrapped(T),
    WrappedAndOwned(T, O),
}

Expand description

Represents a wrapped ffi value.

It is either the ffi value itself or the ffi value plus some other owned value. By providing support for storing another owned value besides the actual ffi value certain performance optimizations can be applied. For example using the pointer to a Vec<u8>, while using the pointer to a SCALE encoded Vec<u8> that is stored in this wrapper for any other Vec<T>.

Variants

Wrapped(T)

WrappedAndOwned(T, O)

Implementations

impl<T: Copy, O> WrappedFFIValue<T, O>

pub fn get(&self) -> T

Returns the wrapped ffi value.

Trait Implementations

impl<T, O> From<(T, O)> for WrappedFFIValue<T, O>

fn from(val: (T, O)) -> Self

Performs the conversion.

impl<T, O> From<T> for WrappedFFIValue<T, O>

fn from(val: T) -> Self

Performs the conversion.

Auto Trait Implementations

impl<T, O> RefUnwindSafe for WrappedFFIValue<T, O> where
    O: RefUnwindSafe,
    T: RefUnwindSafe,

impl<T, O> Send for WrappedFFIValue<T, O> where
    O: Send,
    T: Send,

impl<T, O> Sync for WrappedFFIValue<T, O> where
    O: Sync,
    T: Sync,

impl<T, O> Unpin for WrappedFFIValue<T, O> where
    O: Unpin,
    T: Unpin,

impl<T, O> UnwindSafe for WrappedFFIValue<T, O> where
    O: UnwindSafe,
    T: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized,

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Downcast for T where
    T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

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. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub 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. Read more

pub 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. Read more

impl<T> DowncastSync for T where
    T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

impl<T> From<!> for T

pub fn from(t: !) -> T

Performs the conversion.

impl<T> From<T> for T

pub fn from(t: T) -> T

Performs the conversion.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
    U: From<T>,

pub fn into(self) -> U

Performs the conversion.

impl<T, U> TryFrom<U> for T where
    U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>,

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

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> MaybeRefUnwindSafe for T where
    T: RefUnwindSafe,