Trait ContainerEntry

pub trait ContainerEntry<'a> {
    type Key: 'a;
    type Value: 'a;

    // Required methods
    fn or_default(self) -> &'a mut Self::Value
       where Self::Value: Default;
    fn or_insert(self, default: Self::Value) -> &'a mut Self::Value;
    fn or_insert_with<F>(self, default: F) -> &'a mut Self::Value
       where F: FnOnce() -> Self::Value;
    fn or_insert_with_key<F>(self, default: F) -> &'a mut Self::Value
       where F: FnOnce(&Self::Key) -> Self::Value;
    fn key(&self) -> &Self::Key;
    fn and_modify<F>(self, f: F) -> Self
       where F: FnOnce(&mut Self::Value);
}

Required Associated Types

type Key: 'a

type Value: 'a

Required Methods

fn or_default(self) -> &'a mut Self::Value

where Self::Value: Default,

fn or_insert(self, default: Self::Value) -> &'a mut Self::Value

fn or_insert_with<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce() -> Self::Value,

fn or_insert_with_key<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce(&Self::Key) -> Self::Value,

fn key(&self) -> &Self::Key

fn and_modify<F>(self, f: F) -> Self

where F: FnOnce(&mut Self::Value),

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

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

where K: 'a + Ord, V: 'a,

type Key = K

type Value = V

fn or_default(self) -> &'a mut Self::Value

where Self::Value: Default,

fn or_insert(self, default: Self::Value) -> &'a mut Self::Value

fn or_insert_with<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce() -> Self::Value,

fn or_insert_with_key<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce(&Self::Key) -> Self::Value,

fn key(&self) -> &Self::Key

fn and_modify<F>(self, f: F) -> Self

where F: FnOnce(&mut Self::Value),

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

where K: 'a + Eq + Hash, V: 'a,

type Key = K

type Value = V

fn or_default(self) -> &'a mut Self::Value

where Self::Value: Default,

fn or_insert(self, default: Self::Value) -> &'a mut Self::Value

fn or_insert_with<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce() -> Self::Value,

fn or_insert_with_key<F>(self, default: F) -> &'a mut Self::Value

where F: FnOnce(&Self::Key) -> Self::Value,

fn key(&self) -> &Self::Key

fn and_modify<F>(self, f: F) -> Self

where F: FnOnce(&mut Self::Value),

Implementors