Struct parity_scale_codec::Compact

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pub struct Compact<T>(pub T);

[−] Expand description

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

Trait Implementations

impl<T: Clone> Clone for Compact<T>[+]

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fn clone(&self) -> Compact<T>[−]

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl CompactLen<u128> for Compact<u128>[+]

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fn compact_len(val: &u128) -> usize[−]

Returns the compact encoded length for the given value.

impl CompactLen<u16> for Compact<u16>[+]

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fn compact_len(val: &u16) -> usize[−]

Returns the compact encoded length for the given value.

impl CompactLen<u32> for Compact<u32>[+]

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fn compact_len(val: &u32) -> usize[−]

Returns the compact encoded length for the given value.

impl CompactLen<u64> for Compact<u64>[+]

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fn compact_len(val: &u64) -> usize[−]

Returns the compact encoded length for the given value.

impl CompactLen<u8> for Compact<u8>[+]

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fn compact_len(val: &u8) -> usize[−]

Returns the compact encoded length for the given value.

impl<T: Copy> Copy for Compact<T>

impl<T> Debug for Compact<T> where
    T: Debug, [+]

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

Formats the value using the given formatter.

impl<T> Decode for Compact<T> where
    T: CompactAs,
    Compact<T::As>: Decode, [+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<()>[+]

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fn decode<I: Input>(_input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<u8>[+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<u16>[+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<u32>[+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<u64>[+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl Decode for Compact<u128>[+]

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fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[−]

Attempt to deserialise the value from input.

impl<'de, T> Deserialize<'de> for Compact<T> where
    T: Deserialize<'de>, [+]

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
    D: Deserializer<'de>, [−]

Deserialize this value from the given Serde deserializer.

impl<T> Encode for Compact<T> where
    CompactRef<'a, T>: Encode, [+]

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fn size_hint(&self) -> usize[−]

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

fn encode_to<W: Output>(&self, dest: &mut W)[−]

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: FnOnce(&[u8]) -> R>(&self, f: F) -> R[−]

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

impl<'a, T: 'a> EncodeAsRef<'a, T> for Compact<T> where
    CompactRef<'a, T>: Encode + From<&'a T>, 

type RefType = CompactRef<'a, T>

The reference type that is used for encoding.

impl<T> EncodeLike<Compact<T>> for Compact<T> where
    CompactRef<'a, T>: Encode, 

impl<T: Eq> Eq for Compact<T>

impl<'a, T: Copy> From<&'a T> for Compact<T>[+]

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fn from(x: &'a T) -> Compact<T>[−]

Performs the conversion.

impl From<Compact<()>> for ()[+]

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fn from(x: Compact<()>)[−]

Performs the conversion.

impl From<Compact<u128>> for u128[+]

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fn from(x: Compact<u128>) -> u128[−]

Performs the conversion.

impl From<Compact<u16>> for u16[+]

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fn from(x: Compact<u16>) -> u16[−]

Performs the conversion.

impl From<Compact<u32>> for u32[+]

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fn from(x: Compact<u32>) -> u32[−]

Performs the conversion.

impl From<Compact<u64>> for u64[+]

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fn from(x: Compact<u64>) -> u64[−]

Performs the conversion.

impl From<Compact<u8>> for u8[+]

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fn from(x: Compact<u8>) -> u8[−]

Performs the conversion.

impl<T> From<T> for Compact<T>[+]

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fn from(x: T) -> Compact<T>[−]

Performs the conversion.

impl<T: Ord> Ord for Compact<T>[+]

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

This method returns an Ordering between self and other.

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#[must_use]fn max(self, other: Self) -> Self[−]

Compares and returns the maximum of two values.

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#[must_use]fn min(self, other: Self) -> Self[−]

Compares and returns the minimum of two values.

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#[must_use]fn clamp(self, min: Self, max: Self) -> Self[−]

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl<T: PartialEq> PartialEq<Compact<T>> for Compact<T>[+]

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

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

fn ne(&self, other: &Compact<T>) -> bool[−]

This method tests for !=.

impl<T: PartialOrd> PartialOrd<Compact<T>> for Compact<T>[+]

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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: &Compact<T>) -> bool[−]

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Compact<T>) -> bool[−]

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

fn gt(&self, other: &Compact<T>) -> bool[−]

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Compact<T>) -> bool[−]

This method 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, [+]

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
    S: Serializer, [−]

Serialize this value into the given Serde serializer.

impl<T> StructuralEq for Compact<T>

impl<T> StructuralPartialEq for Compact<T>