pub struct ManagedByteArray<M, const N: usize>
where M: ManagedTypeApi,
{ /* private fields */ }
Expand description

A list of items that lives inside a managed buffer. Items can be either stored there in full (e.g. u32), or just via handle (e.g. BigUint<M>).

Implementations§

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impl<M, const N: usize> ManagedByteArray<M, N>
where M: ManagedTypeApi,

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pub fn new_from_bytes(bytes: &[u8; N]) -> Self

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pub fn len(&self) -> usize

Number of items.

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pub fn is_empty(&self) -> bool

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pub fn as_managed_buffer(&self) -> &ManagedBuffer<M>

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pub fn to_byte_array(&self) -> [u8; N]

Trait Implementations§

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impl<M, const N: usize> Clone for ManagedByteArray<M, N>
where M: ManagedTypeApi + Clone,

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fn clone(&self) -> ManagedByteArray<M, N>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<M, const N: usize> Debug for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<M, const N: usize> Default for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<M, const N: usize> From<&[u8; N]> for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn from(bytes: &[u8; N]) -> Self

Converts to this type from the input type.
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impl<M> From<ManagedByteArray<M, 32>> for ManagedAddress<M>
where M: ManagedTypeApi,

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fn from(value: ManagedByteArray<M, 32>) -> Self

Converts to this type from the input type.
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impl<M, const N: usize> From<ManagedByteArray<M, N>> for StorageKey<M>

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fn from(mba: ManagedByteArray<M, N>) -> Self

Converts to this type from the input type.
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impl<M, const N: usize> ManagedType<M> for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn as_ref(&self) -> ManagedRef<'_, M, Self>

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impl<M, const N: usize> ManagedVecItem for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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const PAYLOAD_SIZE: usize = 4usize

Size of the data stored in the underlying ManagedBuffer.
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const SKIPS_RESERIALIZATION: bool = false

If true, then the encoding of the item is identical to the payload, and no further conversion is necessary (the underlying buffer can be used as-is during serialization). False for all managed types, but true for basic types (like u32).
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type Ref<'a> = ManagedRef<'a, M, ManagedByteArray<M, N>>

Reference representation of the ManagedVec item. Read more
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fn from_byte_reader<Reader: FnMut(&mut [u8])>(reader: Reader) -> Self

Parses given bytes as a an owned object.
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unsafe fn from_byte_reader_as_borrow<'a, Reader: FnMut(&mut [u8])>( reader: Reader ) -> Self::Ref<'a>

Parses given bytes as a representation of the object, either owned, or a reference. Read more
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fn to_byte_writer<R, Writer: FnMut(&[u8]) -> R>(&self, writer: Writer) -> R

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impl<M, const N: usize> NestedDecode for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn dep_decode_or_handle_err<I, H>( input: &mut I, h: H ) -> Result<Self, H::HandledErr>

Version of dep_decode that can handle errors as soon as they occur. For instance in can exit immediately and make sure that if it returns, it is a success. By not deferring error handling, this can lead to somewhat smaller bytecode.
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fn dep_decode<I>(input: &mut I) -> Result<Self, DecodeError>

Attempt to deserialise the value from input, using the format of an object nested inside another structure. In case of success returns the deserialized value and the number of bytes consumed during the operation.
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impl<M, const N: usize> NestedEncode for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn dep_encode_or_handle_err<O, H>( &self, dest: &mut O, h: H ) -> Result<(), H::HandledErr>

Version of dep_encode that can handle errors as soon as they occur. For instance in can exit immediately and make sure that if it returns, it is a success. By not deferring error handling, this can lead to somewhat smaller bytecode.
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fn dep_encode<O>(&self, dest: &mut O) -> Result<(), EncodeError>

NestedEncode to output, using the format of an object nested inside another structure. Does not provide compact version.
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impl<M, const N: usize> PartialEq for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<M, const N: usize> TopDecode for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn top_decode_or_handle_err<I, H>(input: I, h: H) -> Result<Self, H::HandledErr>

Version of top_decode that can handle errors as soon as they occur. For instance it can exit immediately and make sure that if it returns, it is a success. By not deferring error handling, this can lead to somewhat smaller bytecode.
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fn top_decode<I>(input: I) -> Result<Self, DecodeError>
where I: TopDecodeInput,

Attempt to deserialize the value from input.
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impl<M, const N: usize> TopEncode for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn top_encode_or_handle_err<O, H>( &self, output: O, h: H ) -> Result<(), H::HandledErr>

Version of top_encode that can handle errors as soon as they occur. For instance in can exit immediately and make sure that if it returns, it is a success. By not deferring error handling, this can lead to somewhat smaller bytecode.
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fn top_encode<O>(&self, output: O) -> Result<(), EncodeError>
where O: TopEncodeOutput,

Attempt to serialize the value to ouput.
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impl<M, const N: usize> TryFrom<ManagedBuffer<M>> for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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type Error = DecodeError

The type returned in the event of a conversion error.
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fn try_from(value: ManagedBuffer<M>) -> Result<Self, Self::Error>

Performs the conversion.
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impl<M, const N: usize> TypeAbi for ManagedByteArray<M, N>
where M: ManagedTypeApi,

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fn type_name() -> String

It is semantically equivalent to [u8; N].

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fn provide_type_descriptions<TDC: TypeDescriptionContainer>( accumulator: &mut TDC )

A type can provide more than its own description. For instance, a struct can also provide the descriptions of the type of its fields. TypeAbi doesn’t care for the exact accumulator type, which is abstracted by the TypeDescriptionContainer trait.
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impl<M, const N: usize> Eq for ManagedByteArray<M, N>
where M: ManagedTypeApi,

Auto Trait Implementations§

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impl<M, const N: usize> RefUnwindSafe for ManagedByteArray<M, N>
where M: RefUnwindSafe,

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impl<M, const N: usize> Send for ManagedByteArray<M, N>
where M: Send,

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impl<M, const N: usize> Sync for ManagedByteArray<M, N>
where M: Sync,

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impl<M, const N: usize> Unpin for ManagedByteArray<M, N>
where M: Unpin,

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impl<M, const N: usize> UnwindSafe for ManagedByteArray<M, N>
where M: UnwindSafe,

Blanket Implementations§

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

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> TopDecodeMulti for T
where T: TopDecode,

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impl<T> TopEncodeMulti for T
where T: TopEncode,

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type DecodeAs = T

Indicates how the encoding result should be interpreted when deserializing back. Self for most types. Read more
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fn multi_encode_or_handle_err<O, H>( &self, output: &mut O, h: H ) -> Result<(), <H as EncodeErrorHandler>::HandledErr>

Version of top_encode that can handle errors as soon as they occur. For instance in can exit immediately and make sure that if it returns, it is a success. By not deferring error handling, this can lead to somewhat smaller bytecode.
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fn multi_encode<O>(&self, output: &mut O) -> Result<(), EncodeError>

Attempt to serialize the value to ouput.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.