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use super::fast::{FixedState, RandomState};
/// Type alias for [`std::collections::HashMap<K, V, foldhash::fast::RandomState>`].
pub type HashMap<K, V> = std::collections::HashMap<K, V, RandomState>;
/// Type alias for [`std::collections::HashSet<T, foldhash::fast::RandomState>`].
pub type HashSet<T> = std::collections::HashSet<T, RandomState>;
/// A convenience extension trait to enable [`HashMap::new`] for hash maps that use `foldhash`.
pub trait HashMapExt {
/// Creates an empty `HashMap`.
fn new() -> Self;
/// Creates an empty `HashMap` with at least the specified capacity.
fn with_capacity(capacity: usize) -> Self;
}
impl<K, V> HashMapExt for std::collections::HashMap<K, V, RandomState> {
#[inline(always)]
fn new() -> Self {
Self::with_hasher(RandomState::default())
}
#[inline(always)]
fn with_capacity(capacity: usize) -> Self {
Self::with_capacity_and_hasher(capacity, RandomState::default())
}
}
impl<K, V> HashMapExt for std::collections::HashMap<K, V, FixedState> {
#[inline(always)]
fn new() -> Self {
Self::with_hasher(FixedState::default())
}
#[inline(always)]
fn with_capacity(capacity: usize) -> Self {
Self::with_capacity_and_hasher(capacity, FixedState::default())
}
}
/// A convenience extension trait to enable [`HashSet::new`] for hash sets that use `foldhash`.
pub trait HashSetExt {
/// Creates an empty `HashSet`.
fn new() -> Self;
/// Creates an empty `HashSet` with at least the specified capacity.
fn with_capacity(capacity: usize) -> Self;
}
impl<T> HashSetExt for std::collections::HashSet<T, RandomState> {
#[inline(always)]
fn new() -> Self {
Self::with_hasher(RandomState::default())
}
#[inline(always)]
fn with_capacity(capacity: usize) -> Self {
Self::with_capacity_and_hasher(capacity, RandomState::default())
}
}
impl<T> HashSetExt for std::collections::HashSet<T, FixedState> {
#[inline(always)]
fn new() -> Self {
Self::with_hasher(FixedState::default())
}
#[inline(always)]
fn with_capacity(capacity: usize) -> Self {
Self::with_capacity_and_hasher(capacity, FixedState::default())
}
}