Struct fuel_core::state::ChangesIterator

pub struct ChangesIterator<'a, Description> { /* private fields */ }

A type that allows to iterate over the Changes.

Implementations

impl<'a, Description> ChangesIterator<'a, Description>

pub fn new(changes: &'a Changes) -> Self

Creates a new instance of the ChangesIterator.

Trait Implementations

impl<'a, Description> IterableStore for ChangesIterator<'a, Description>

where Description: DatabaseDescription,

fn iter_store( &self, column: Self::Column, prefix: Option<&[u8]>, start: Option<&[u8]>, direction: IterDirection, ) -> BoxedIter<'_, KVItem>

Returns an iterator over the values in the storage.

impl<'a, Description> KeyValueInspect for ChangesIterator<'a, Description>

where Description: DatabaseDescription,

type Column = <Description as DatabaseDescription>::Column

The type of the column.

fn get(&self, key: &[u8], column: Self::Column) -> StorageResult<Option<Value>>

Returns the value from the storage.

fn exists(&self, key: &[u8], column: Self::Column) -> Result<bool, Error>

Checks if the value exists in the storage.

fn size_of_value( &self, key: &[u8], column: Self::Column, ) -> Result<Option<usize>, Error>

Returns the size of the value in the storage.

fn read( &self, key: &[u8], column: Self::Column, buf: &mut [u8], ) -> Result<Option<usize>, Error>

Reads the value from the storage into the buf and returns the number of read bytes.