Trait parity_scale_codec::DecodeLength

pub trait DecodeLength {
    fn len(self_encoded: &[u8]) -> Result<usize, Error>;
}

Trait that allows the length of a collection to be read, without having to read and decode the entire elements.

Required methods

fn len(self_encoded: &[u8]) -> Result<usize, Error>

Return the number of elements in self_encoded.

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Implementations on Foreign Types

impl<T> DecodeLength for Vec<T>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

impl<T> DecodeLength for BTreeSet<T>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

impl<K, V> DecodeLength for BTreeMap<K, V>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

impl<T> DecodeLength for VecDeque<T>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

impl<T> DecodeLength for BinaryHeap<T>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

impl<T> DecodeLength for LinkedList<T>

fn len(self_encoded: &[u8]) -> Result<usize, Error>

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Implementors

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