meilisearch/milli/src/heed_codec/obkv_codec.rs
2021-07-06 11:58:03 +02:00

22 lines
485 B
Rust

use std::borrow::Cow;
use obkv::{KvReaderU16, KvWriterU16};
pub struct ObkvCodec;
impl<'a> heed::BytesDecode<'a> for ObkvCodec {
type DItem = KvReaderU16<'a>;
fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
Some(KvReaderU16::new(bytes))
}
}
impl heed::BytesEncode<'_> for ObkvCodec {
type EItem = KvWriterU16<Vec<u8>>;
fn bytes_encode(item: &Self::EItem) -> Option<Cow<[u8]>> {
item.clone().into_inner().map(Cow::Owned).ok()
}
}