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23 lines
548 B
Rust
23 lines
548 B
Rust
use std::borrow::Cow;
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use heed::BoxedError;
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use obkv::{KvReaderU16, KvWriterU16};
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pub struct ObkvCodec;
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impl<'a> heed::BytesDecode<'a> for ObkvCodec {
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type DItem = KvReaderU16<'a>;
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fn bytes_decode(bytes: &'a [u8]) -> Result<Self::DItem, BoxedError> {
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Ok(KvReaderU16::new(bytes))
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}
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}
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impl heed::BytesEncode<'_> for ObkvCodec {
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type EItem = KvWriterU16<Vec<u8>>;
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fn bytes_encode(item: &Self::EItem) -> Result<Cow<'_, [u8]>, BoxedError> {
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item.clone().into_inner().map(Cow::Owned).map_err(Into::into)
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}
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}
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