bumpish 0.2.0

A set of collections using bump allocations
Documentation 
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use core::ptr::NonNull;

pub(super) type BucketPtr<K, V> = NonNull<Bucket<K, V>>;

pub(super) struct Bucket<K, V> {
    pub(super) hash: u64,
    pub(super) key: K,
    pub(super) value: V,
}

impl<K, V> Bucket<K, V> {
    pub(super) fn new(hash: u64, key: K, value: V) -> Self {
        Self { hash, key, value }
    }

    pub(super) fn as_tuple(&self) -> (&K, &V) {
        (&self.key, &self.value)
    }

    pub(super) fn as_tuple_mut(&mut self) -> (&K, &mut V) {
        (&self.key, &mut self.value)
    }

    pub(super) fn as_key(&self) -> &K {
        &self.key
    }

    pub(super) fn as_value(&self) -> &V {
        &self.value
    }

    pub(super) fn as_value_mut(&mut self) -> &mut V {
        &mut self.value
    }

    pub(super) fn into_tuple(self) -> (K, V) {
        (self.key, self.value)
    }
}

impl<K, V> core::clone::Clone for Bucket<K, V>
where
    K: Clone,
    V: Clone,
{
    fn clone(&self) -> Self {
        Self {
            hash: self.hash,
            key: self.key.clone(),
            value: self.value.clone(),
        }
    }
}

#[cfg(test)]
mod utest {
    use super::*;

    #[test]
    fn test_bucket_ptr() {
        let bucket = Bucket::new(1, 1, 2);
        let ptr = BucketPtr::from(&bucket);
        assert_eq!(unsafe { ptr.as_ref().key }, 1);
        assert_eq!(unsafe { ptr.as_ref().value }, 2);
        #[allow(clippy::clone_on_copy)]
        let clone = ptr.clone();
        assert_eq!(unsafe { clone.as_ref().key }, 1);
        assert_eq!(unsafe { clone.as_ref().value }, 2);
    }
}