Trait AsImHashMap

pub trait AsImHashMap<K: Hash + Eq + Clone, V: Clone>: Clone {
    // Required methods
    fn insert(&mut self, k: K, v: V) -> Option<V>;
    fn remove<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<V>
       where K: Borrow<BK>;
    fn remove_with_key<BK: Hash + Eq + ?Sized>(
        &mut self,
        k: &BK,
    ) -> Option<(K, V)>
       where K: Borrow<BK>;
    fn retain<F: FnMut(&K, &V) -> bool>(&mut self, f: F);

    // Provided methods
    fn to_inserted(&self, k: K, v: V) -> (Self, Option<V>) { ... }
    fn to_removed<BK: Hash + Eq + ?Sized>(
        &mut self,
        k: &BK,
    ) -> (Self, Option<V>)
       where K: Borrow<BK> { ... }
    fn to_removed_with_key<BK: Hash + Eq + ?Sized>(
        &mut self,
        k: &BK,
    ) -> (Self, Option<(K, V)>)
       where K: Borrow<BK> { ... }
    fn to_retained<F: FnMut(&K, &V) -> bool>(&self, f: F) -> Self { ... }
    fn to_extended<I: IntoIterator<Item = (K, V)>>(&self, iter: I) -> Self
       where Self: Extend<(K, V)> { ... }
    fn iter_clone(&self) -> Self::IntoIter
       where Self: IntoIterator { ... }
}

Required Methods

fn insert(&mut self, k: K, v: V) -> Option<V>

fn remove<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<V>

where K: Borrow<BK>,

fn remove_with_key<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<(K, V)>

where K: Borrow<BK>,

fn retain<F: FnMut(&K, &V) -> bool>(&mut self, f: F)

Provided Methods

fn to_inserted(&self, k: K, v: V) -> (Self, Option<V>)

fn to_removed<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> (Self, Option<V>)

where K: Borrow<BK>,

fn to_removed_with_key<BK: Hash + Eq + ?Sized>( &mut self, k: &BK, ) -> (Self, Option<(K, V)>)

where K: Borrow<BK>,

fn to_retained<F: FnMut(&K, &V) -> bool>(&self, f: F) -> Self

fn to_extended<I: IntoIterator<Item = (K, V)>>(&self, iter: I) -> Self

where Self: Extend<(K, V)>,

fn iter_clone(&self) -> Self::IntoIter

where Self: IntoIterator,

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<K: Hash + Eq + Clone, V: Clone, S: BuildHasher> AsImHashMap<K, V> for HashMap<K, V, S>

fn insert(&mut self, k: K, v: V) -> Option<V>

fn remove<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<V>

where K: Borrow<BK>,

fn remove_with_key<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<(K, V)>

where K: Borrow<BK>,

fn retain<F: FnMut(&K, &V) -> bool>(&mut self, f: F)

impl<K: Hash + Eq + Clone, V: Clone, S: BuildHasher> AsImHashMap<K, V> for HashMap<K, V, S>

fn insert(&mut self, k: K, v: V) -> Option<V>

fn remove<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<V>

where K: Borrow<BK>,

fn remove_with_key<BK: Hash + Eq + ?Sized>(&mut self, k: &BK) -> Option<(K, V)>

where K: Borrow<BK>,

fn retain<F: FnMut(&K, &V) -> bool>(&mut self, f: F)

Implementors