Trait ContainerRemove 

pub trait ContainerRemove: SparseContainer {
    // Required method
    fn remove(&mut self, input: &Self::Input) -> Option<Self::Output>;
}

A trait to remove items from a container, to prevent growth without bound.

Required Methods

fn remove(&mut self, input: &Self::Input) -> Option<Self::Output>

Removes the input from the cache, returning any value if the input was previously in the cache.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<I, O, S> ContainerRemove for HashMap<I, O, S>

where I: Eq + Hash, S: BuildHasher,

fn remove(&mut self, input: &I) -> Option<O>

impl<I, O> ContainerRemove for BTreeMap<I, O>

where I: Ord,

fn remove(&mut self, input: &Self::Input) -> Option<Self::Output>

Implementors