Struct Compact 

pub struct Compact<T>(pub T);

Compact-encoded variant of T. This is more space-efficient but less compute-efficient.

Tuple Fields

0: T

Trait Implementations

impl<T> Clone for Compact<T>

where T: Clone,

fn clone(&self) -> Compact<T>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl CompactLen<u8> for Compact<u8>

fn compact_len(val: &u8) -> usize

Returns the compact encoded length for the given value.

impl CompactLen<u16> for Compact<u16>

fn compact_len(val: &u16) -> usize

Returns the compact encoded length for the given value.

impl CompactLen<u32> for Compact<u32>

fn compact_len(val: &u32) -> usize

Returns the compact encoded length for the given value.

impl CompactLen<u64> for Compact<u64>

fn compact_len(val: &u64) -> usize

Returns the compact encoded length for the given value.

impl CompactLen<u128> for Compact<u128>

fn compact_len(val: &u128) -> usize

Returns the compact encoded length for the given value.

impl<T> Copy for Compact<T>

where T: Copy,

impl<T> Debug for Compact<T>

where T: Debug,

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

Formats the value using the given formatter.

impl<T> Decode for Compact<T>

where T: CompactAs, Compact<<T as CompactAs>::As>: Decode,

fn decode<I>(input: &mut I) -> Result<Compact<T>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<()>

fn decode<I>(_input: &mut I) -> Result<Compact<()>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<u8>

fn decode<I>(input: &mut I) -> Result<Compact<u8>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<u16>

fn decode<I>(input: &mut I) -> Result<Compact<u16>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<u32>

fn decode<I>(input: &mut I) -> Result<Compact<u32>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<u64>

fn decode<I>(input: &mut I) -> Result<Compact<u64>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Decode for Compact<u128>

fn decode<I>(input: &mut I) -> Result<Compact<u128>, Error>

where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<T> DecodeWithMemTracking for Compact<T>

where T: CompactAs, Compact<<T as CompactAs>::As>: DecodeWithMemTracking,

impl DecodeWithMemTracking for Compact<()>

impl DecodeWithMemTracking for Compact<u8>

impl DecodeWithMemTracking for Compact<u16>

impl DecodeWithMemTracking for Compact<u32>

impl DecodeWithMemTracking for Compact<u64>

impl DecodeWithMemTracking for Compact<u128>

impl<'de, T> Deserialize<'de> for Compact<T>

where T: Deserialize<'de>,

Available on crate feature serde only.

fn deserialize<D>( deserializer: D, ) -> Result<Compact<T>, <D as Deserializer<'de>>::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> Encode for Compact<T>

where CompactRef<'a, T>: for<'a> Encode,

fn size_hint(&self) -> usize

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

fn encode_to<W>(&self, dest: &mut W)

where W: Output + ?Sized,

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

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

Convert self to an owned vector.

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.

impl<'a, T> EncodeAsRef<'a, T> for Compact<T>

where T: 'a, CompactRef<'a, T>: Encode + From<&'a T>,

type RefType = CompactRef<'a, T>

The reference type that is used for encoding.

impl<T> EncodeLike for Compact<T>

where CompactRef<'a, T>: for<'a> Encode,

impl<T> Eq for Compact<T>

where T: Eq,

impl<'a, T> From<&'a T> for Compact<T>

where T: Copy,

fn from(x: &'a T) -> Compact<T>

Converts to this type from the input type.

impl<T> From<T> for Compact<T>

fn from(x: T) -> Compact<T>

Converts to this type from the input type.

impl<T> Ord for Compact<T>

where T: Ord,

fn cmp(&self, other: &Compact<T>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<T> PartialEq for Compact<T>

where T: PartialEq,

fn eq(&self, other: &Compact<T>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T> PartialOrd for Compact<T>

where T: PartialOrd,

fn partial_cmp(&self, other: &Compact<T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<T> Serialize for Compact<T>

where T: Serialize,

Available on crate feature serde only.

fn serialize<S>( &self, serializer: S, ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl<T> StructuralPartialEq for Compact<T>