pub use ahash::AHasher;
use ahash::RandomState;

pub type HashMap<K, V> = std::collections::HashMap<K, V, RandomState>;
pub type HashSet<K> = std::collections::HashSet<K, RandomState>;

pub trait HashMapExt {
    fn with_capacity(cap: usize) -> Self;
}

impl<K, V> HashMapExt for HashMap<K, V> {
    fn with_capacity(cap: usize) -> Self {
        HashMap::with_capacity_and_hasher(cap, RandomState::default())
    }
}