Type Alias DefaultHashBuilder

pub type DefaultHashBuilder = RandomState;

The default BuildHasher used by HashMap and HashSet.

See the module documentation for more information on the default hasher.

Aliased Type

pub struct DefaultHashBuilder { /* private fields */ }

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes

Trait Implementations

impl BuildHasher for RandomState

type Hasher = FoldHasher

Type of the hasher that will be created.

fn build_hasher(&self) -> FoldHasher

Creates a new hasher.

fn hash_one<T>(&self, x: T) -> u64

where T: Hash, Self: Sized, Self::Hasher: Hasher,

Calculates the hash of a single value.

impl Clone for RandomState

fn clone(&self) -> RandomState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RandomState

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for RandomState

fn default() -> RandomState

Returns the “default value” for a type.

impl Copy for RandomState