Enum pancake_engine_common::Entry

pub enum Entry<'a, K, V> {
    Ref((&'a K, &'a V)),
    Own(Result<(K, V)>),
}

Entry is the API for the content of the DB.

It is an enum that contains either a reference to an in-memory entry or an owned (non-shrared) entry that was read from disk.

Entry has some resemblance to std::borrow::Cow.

Variants

Ref((&'a K, &'a V))

Own(Result<(K, V)>)

Implementations

impl<'a, K, V> Entry<'a, K, V>

pub fn try_borrow<'b>(&'b self) -> Result<(&'b K, &'b V)>

impl<'a, K, V> Entry<'a, K, V>

where K: Clone,

pub fn into_owned_k(self) -> Result<K>

impl<'a, K, V> Entry<'a, K, V>

where V: Clone,

pub fn into_owned_v(self) -> Result<V>

impl<'a, K, V> Entry<'a, K, V>

where K: Clone, V: Clone,

pub fn into_owned_kv(self) -> Result<(K, V)>

impl<'a, K, V> Entry<'a, K, V>

pub fn convert<K2, V2>(self) -> Entry<'a, K2, V2>

where K: Borrow<K2> + Into<K2>, V: Borrow<V2> + Into<V2>,

impl<'a, K, V> Entry<'a, K, OptDatum<V>>

pub fn to_option_entry(self) -> Option<Entry<'a, K, V>>

Trait Implementations

impl<K, V> Mergeable<K> for Entry<'_, K, V>

fn try_borrow<'a>(&'a self) -> Result<&'a K, Error>

impl<K, V, Rhs> TryPartialOrd<Rhs, Error> for Entry<'_, K, V>

where K: PartialOrd<Rhs>,

fn try_partial_cmp(&self, rhs: &Rhs) -> Result<Option<Ordering>, Error>