Struct sp_io::Crossing[−][src]

pub struct Crossing<T: Encode + Decode>(_);

Expand description

Crossing is a helper wrapping any Encode-Decodeable type for transferring over the wasm barrier.

Implementations

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impl<T: Encode + Decode> Crossing<T>

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pub fn into_inner(self) -> T

Convert into the inner type

Trait Implementations

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impl<T: Encode + Decode> Decode for Crossing<T> where
    T: Decode,
    T: Decode,

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fn decode<__CodecInputEdqy: Input>(
    __codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn skip<I>(input: &mut I) -> Result<(), Error> where
    I: Input,

Attempt to skip the encoded value from input. Read more

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl<T> Default for Crossing<T> where
    T: Default + Encode + Decode,

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<T: Encode + Decode> Encode for Crossing<T> where
    T: Encode,
    T: Encode,

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fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
    &self, 
    __codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

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fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl<T: Encode + Decode> PassBy for Crossing<T>

type PassBy = Codec<Self>

The strategy that should be used to pass the type.

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impl<T: Encode + Decode> EncodeLike<Crossing<T>> for Crossing<T> where
    T: Encode,
    T: Encode,

Auto Trait Implementations

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

impl<T> Send for Crossing<T> where
    T: Send,

impl<T> Sync for Crossing<T> where
    T: Sync,

impl<T> Unpin for Crossing<T> where
    T: Unpin,

impl<T> UnwindSafe for Crossing<T> where
    T: UnwindSafe,

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> DecodeAll for T where
    T: Decode,

pub fn decode_all(input: &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

impl<T> DecodeLimit for T where
    T: Decode,

pub fn decode_all_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

pub fn decode_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. 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

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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impl<T> FromFFIValue for T where
    T: PassBy,

type SelfInstance = T

As Self can be an unsized type, it needs to be represented by a sized type at the host. This SelfInstance is the sized type. Read more

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pub fn from_ffi_value(
    context: &mut dyn FunctionContext, 
    arg: <<T as PassBy>::PassBy as RIType>::FFIType
) -> Result<T, String>

Create SelfInstance from the given

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impl<T> Instrument for T

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

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

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fn in_current_span(self) -> Instrumented<Self>

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

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

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pub fn into(self) -> U

Performs the conversion.

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impl<T> IntoFFIValue for T where
    T: PassBy,

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pub fn into_ffi_value(
    self, 
    context: &mut dyn FunctionContext
) -> Result<<<T as PassBy>::PassBy as RIType>::FFIType, String>

Convert self into a ffi value.

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impl<T, Outer> IsWrappedBy<Outer> for T where
    T: From<Outer>,
    Outer: AsRef<T> + AsMut<T> + From<T>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

impl<T> KeyedVec for T where
    T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global>

Return an encoding of Self prepended by given slice.

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impl<T> RIType for T where
    T: PassBy,

type FFIType = <<T as PassBy>::PassBy as RIType>::FFIType

The ffi type that is used to represent Self.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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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.

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

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
    T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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

pub fn vzip(self) -> V

impl<S> Codec for S where
    S: Decode + Encode,

impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
    T: Encode,

impl<'_, T> EncodeLike<&'_ T> for T where
    T: Encode,

impl<'_, T> EncodeLike<&'_ mut T> for T where
    T: Encode,

impl<T> EncodeLike<Arc<T>> for T where
    T: Encode,

impl<T> EncodeLike<Box<T, Global>> for T where
    T: Encode,

impl<T> EncodeLike<Rc<T>> for T where
    T: Encode,

impl<S> FullCodec for S where
    S: Decode + FullEncode,

impl<S> FullEncode for S where
    S: Encode + EncodeLike<S>,

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