MeiliSearch/milli/src/heed_codec/obkv_codec.rs

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Rust
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2020-10-21 15:51:48 +02:00
use std::borrow::Cow;
use obkv::{KvReader, KvWriter};
pub struct ObkvCodec;
impl<'a> heed::BytesDecode<'a> for ObkvCodec {
type DItem = KvReader<'a>;
fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
Some(KvReader::new(bytes))
}
}
impl heed::BytesEncode<'_> for ObkvCodec {
type EItem = KvWriter<Vec<u8>>;
fn bytes_encode(item: &Self::EItem) -> Option<Cow<[u8]>> {
item.clone().into_inner().map(Cow::Owned).ok()
}
}