Struct PersistentVector 

pub struct PersistentVector<T: Clone> { /* private fields */ }

Persistent vector that retains all historical versions.

Implementations

impl<T: Clone> PersistentVector<T>

pub fn new() -> Self

Create an empty persistent vector.

pub fn current_version(&self) -> PvecVersion

Current (latest) version number.

pub fn push(&mut self, value: T) -> PvecVersion

Push value onto the current version, creating a new version.

pub fn pop(&mut self) -> PvecVersion

Pop the last element of the current version, creating a new version.

pub fn set(&mut self, index: usize, value: T) -> Option<PvecVersion>

Set element at index in the current version to value.

pub fn get(&self, index: usize) -> Option<&T>

Get element at index in the current version.

pub fn get_at(&self, version: PvecVersion, index: usize) -> Option<&T>

Get element at index in a specific version.

pub fn len(&self) -> usize

Length of the current version.

pub fn is_empty(&self) -> bool

True if current version is empty.

pub fn version_count(&self) -> usize

Total number of stored versions.

Trait Implementations

impl<T: Clone> Default for PersistentVector<T>

fn default() -> Self

Returns the “default value” for a type.