Struct frame_support::storage::bounded_vec::BoundedSlice

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pub struct BoundedSlice<'a, T, S>(_, _);

Expand description

A bounded slice.

Similar to a BoundedVec, but not owned and cannot be decoded.

Trait Implementations

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impl<'a, T, S> Encode for BoundedSlice<'a, T, S> where
 T: Encode,
 &'a [T]: Encode,
 PhantomData<S>: Encode,
 PhantomData<S>: 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 size_hint(&self) -> usize

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

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

Convert self to an owned vector.

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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.

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl<'a, T, S> From<BoundedSlice<'a, T, S>> for &'a [T]

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fn from(t: BoundedSlice<'a, T, S>) -> Self

Performs the conversion.

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impl<'a, T, S: Get<u32>> TryFrom<&'a [T]> for BoundedSlice<'a, T, S>

type Error = ()

The type returned in the event of a conversion error.

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fn try_from(t: &'a [T]) -> Result<Self, Self::Error>

Performs the conversion.

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impl<'a, T, S> TypeInfo for BoundedSlice<'a, T, S> where
 'a: 'static,
 &'a [T]: TypeInfo + 'static,
 PhantomData<S>: TypeInfo + 'static,
 T: TypeInfo + 'static,
 S: 'static,

type Identity = Self

The type identifying for which type info is provided. Read more

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fn type_info() -> Type

Returns the static type identifier for Self.

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impl<'a, T, S> EncodeLike<BoundedSlice<'a, T, S>> for BoundedSlice<'a, T, S> where
 T: Encode,
 &'a [T]: Encode,
 PhantomData<S>: Encode,
 PhantomData<S>: Encode,

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impl<'a, T: Encode + Decode, S: Get<u32>> EncodeLike<BoundedVec<T, S>> for BoundedSlice<'a, T, S>

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impl<'a, T: Encode + Decode, S: Get<u32>> EncodeLike<Vec<T, Global>> for BoundedSlice<'a, T, S>

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impl<'a, T: Encode + Decode, S: Get<u32>> EncodeLike<WeakBoundedVec<T, S>> for BoundedSlice<'a, T, S>

Auto Trait Implementations

impl<'a, T, S> RefUnwindSafe for BoundedSlice<'a, T, S> where
S: RefUnwindSafe,
T: RefUnwindSafe,

impl<'a, T, S> Send for BoundedSlice<'a, T, S> where
S: Send,
T: Sync,

impl<'a, T, S> Sync for BoundedSlice<'a, T, S> where
S: Sync,
T: Sync,

impl<'a, T, S> Unpin for BoundedSlice<'a, T, S> where
S: Unpin,

impl<'a, T, S> UnwindSafe for BoundedSlice<'a, T, S> where
S: UnwindSafe,
T: RefUnwindSafe,

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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

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pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<W, Global>
`impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<R> Read for Box<R, Global> where R: Read + ?Sized, impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;`

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

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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

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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

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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

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

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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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