Struct bm::PackedVector

pub struct PackedVector<R: RootStatus, DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> { /* fields omitted */ }

Packed merkle tuple.

Methods

impl<R: RootStatus, DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> PackedVector<R, DB, T, H, V> where
    EndOf<DB>: From<GenericArray<u8, H>> + Into<GenericArray<u8, H>>,
    T: From<GenericArray<u8, V>> + Into<GenericArray<u8, V>>, 

pub fn get(&self, db: &DB, index: usize) -> Result<T, Error<DB::Error>>

Get value at index.

pub fn set(
    &mut self,
    db: &mut DB,
    index: usize,
    value: T
) -> Result<(), Error<DB::Error>>

Set value at index.

pub fn push(&mut self, db: &mut DB, value: T) -> Result<(), Error<DB::Error>>

Push a new value to the tuple.

pub fn pop(&mut self, db: &mut DB) -> Result<Option<T>, Error<DB::Error>>

Pop a value from the tuple.

pub fn from_raw(raw: Raw<R, DB>, len: usize, max_len: Option<usize>) -> Self

Create a packed tuple from raw merkle tree.

impl<DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> PackedVector<Owned, DB, T, H, V> where
    EndOf<DB>: From<GenericArray<u8, H>> + Into<GenericArray<u8, H>>,
    T: From<GenericArray<u8, V>> + Into<GenericArray<u8, V>>, 

pub fn create(
    db: &mut DB,
    value_len: usize,
    value_max_len: Option<usize>
) -> Result<Self, Error<DB::Error>>

Create a new tuple.

Trait Implementations

impl<R: RootStatus, DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> Tree for PackedVector<R, DB, T, H, V> where
    EndOf<DB>: From<GenericArray<u8, H>> + Into<GenericArray<u8, H>>,
    T: From<GenericArray<u8, V>> + Into<GenericArray<u8, V>>, 

type RootStatus = R

Root status of the tree.

type Backend = DB

Backend of the tree.

fn root(&self) -> ValueOf<DB>

Root of the merkle tree.

fn drop(self, db: &mut DB) -> Result<(), Error<DB::Error>>

Drop the merkle tree.

fn into_raw(self) -> Raw<R, DB>

Convert the tree into a raw tree.

impl<R: RootStatus, DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> Sequence for PackedVector<R, DB, T, H, V> where
    EndOf<DB>: From<GenericArray<u8, H>> + Into<GenericArray<u8, H>>,
    T: From<GenericArray<u8, V>> + Into<GenericArray<u8, V>>, 

fn len(&self) -> usize

The length of the tree.

impl<R: RootStatus, DB: Backend, T, H: ArrayLength<u8>, V: ArrayLength<u8>> Leak for PackedVector<R, DB, T, H, V> where
    EndOf<DB>: From<GenericArray<u8, H>> + Into<GenericArray<u8, H>>,
    T: From<GenericArray<u8, V>> + Into<GenericArray<u8, V>>, 

type Metadata = (ValueOf<DB>, usize, Option<usize>)

Metadata to represent this merkle struct.

fn metadata(&self) -> Self::Metadata

Metadata of the value.

fn from_leaked((raw_root, value_len, value_max_len): Self::Metadata) -> Self

Initialize from a previously leaked value.