fastxgz 0.4.0

A fasta/fastq parser for both compressed and not compressed files.
Documentation 
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use xxhash_rust::xxh3::xxh3_64;

/// An iterator taking a sequence of kmers and yielding their hash.
pub struct HashIterator<I>
where
    I: Iterator<Item = Vec<u8>>,
{
    kmers: I,
}

impl<I> HashIterator<I>
where
    I: Iterator<Item = Vec<u8>>,
{
    pub fn from(kmers: I) -> Self {
        Self { kmers }
    }
}

impl<I> Iterator for HashIterator<I>
where
    I: Iterator<Item = Vec<u8>>,
{
    type Item = u64;

    fn next(&mut self) -> Option<Self::Item> {
        let kmer = self.kmers.next()?;
        Some(xxh3_64(&kmer))
    }
}