Trait ShrinkIfNeeded 

pub(crate) trait ShrinkIfNeeded {
    // Required method
    fn shrink_if_needed(&mut self);
}

Shrink the capacity of the collection if needed.

Required Methods

fn shrink_if_needed(&mut self)

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl<K, V, H> ShrinkIfNeeded for HashMap<K, V, H>

where K: Eq + Hash, H: BuildHasher,

fn shrink_if_needed(&mut self)

impl<T, H> ShrinkIfNeeded for HashSet<T, H>

where T: Eq + Hash, H: BuildHasher,

fn shrink_if_needed(&mut self)

Implementors