pub struct DefaultHasher(/* private fields */);Available on crate feature
map only.Expand description
The default Hasher used by RandomState.
The internal algorithm is not specified, and so it and its hashes should not be relied upon over releases.
Implementations§
source§impl DefaultHasher
impl DefaultHasher
1.13.0 (const: unstable) · sourcepub fn new() -> DefaultHasher
pub fn new() -> DefaultHasher
Creates a new DefaultHasher.
This hasher is not guaranteed to be the same as all other
DefaultHasher instances, but is the same as all other DefaultHasher
instances created through new or default.
Trait Implementations§
§impl Arbitrary for DefaultHasher
impl Arbitrary for DefaultHasher
§type Parameters = ()
type Parameters = ()
The type of parameters that
arbitrary_with accepts for configuration
of the generated Strategy. Parameters must implement Default.§type Strategy = LazyJust<DefaultHasher, fn() -> DefaultHasher>
type Strategy = LazyJust<DefaultHasher, fn() -> DefaultHasher>
The type of
Strategy used to generate values of type Self.§fn arbitrary_with(
_args: <DefaultHasher as Arbitrary>::Parameters,
) -> <DefaultHasher as Arbitrary>::Strategy
fn arbitrary_with( _args: <DefaultHasher as Arbitrary>::Parameters, ) -> <DefaultHasher as Arbitrary>::Strategy
1.7.0 · source§impl Clone for DefaultHasher
impl Clone for DefaultHasher
source§fn clone(&self) -> DefaultHasher
fn clone(&self) -> DefaultHasher
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read more1.7.0 · source§impl Debug for DefaultHasher
impl Debug for DefaultHasher
1.13.0 · source§impl Default for DefaultHasher
impl Default for DefaultHasher
source§fn default() -> DefaultHasher
fn default() -> DefaultHasher
Creates a new DefaultHasher using new.
See its documentation for more.
1.13.0 · source§impl Hasher for DefaultHasher
impl Hasher for DefaultHasher
source§fn write_str(&mut self, s: &str)
fn write_str(&mut self, s: &str)
🔬This is a nightly-only experimental API. (
hasher_prefixfree_extras #96762)Writes a single
str into this hasher. Read more1.26.0 · source§fn write_u128(&mut self, i: u128)
fn write_u128(&mut self, i: u128)
Writes a single
u128 into this hasher.1.3.0 · source§fn write_usize(&mut self, i: usize)
fn write_usize(&mut self, i: usize)
Writes a single
usize into this hasher.1.26.0 · source§fn write_i128(&mut self, i: i128)
fn write_i128(&mut self, i: i128)
Writes a single
i128 into this hasher.1.3.0 · source§fn write_isize(&mut self, i: isize)
fn write_isize(&mut self, i: isize)
Writes a single
isize into this hasher.Auto Trait Implementations§
impl Freeze for DefaultHasher
impl RefUnwindSafe for DefaultHasher
impl Send for DefaultHasher
impl Sync for DefaultHasher
impl Unpin for DefaultHasher
impl UnwindSafe for DefaultHasher
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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: 72 bytes