Enum sp_core::NeverNativeValue

source · [−]

pub enum NeverNativeValue {}

Expand description

A value that is never in a native representation. This is type is useful in conjunction with NativeOrEncoded.

Trait Implementations

impl Decode for NeverNativeValue

fn decode<I: Input>(_: &mut I) -> 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

impl Encode for NeverNativeValue

fn encode(&self) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Convert self to an owned vector.

fn size_hint(&self) -> usize

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

fn encode_to<T>(&self, dest: &mut T) where
T: Output + ?Sized,

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

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

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

fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

impl PartialEq<NeverNativeValue> for NeverNativeValue

fn eq(&self, other: &NeverNativeValue) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl EncodeLike<NeverNativeValue> for NeverNativeValue

impl StructuralPartialEq for NeverNativeValue

Auto Trait Implementations

impl RefUnwindSafe for NeverNativeValue

impl Send for NeverNativeValue

impl Sync for NeverNativeValue

impl Unpin for NeverNativeValue

impl UnwindSafe for NeverNativeValue

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,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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_and_advance_with_depth_limit<I>(
    limit: u32,
    input: &mut I
) -> Result<T, Error> where
    I: Input,

Decode Self and advance input by the number of bytes consumed. 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

impl<T> From<T> for T

const: unstable · source

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>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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

fn from_ref(outer: &Outer) -> &Self

Get a reference to the inner from the outer.

fn from_mut(outer: &mut Outer) -> &mut Self

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>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Return an encoding of Self prepended by given slice.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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.

const: unstable · source

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

Performs the conversion.

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

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<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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>,

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