24 lines
671 B
Rust
24 lines
671 B
Rust
use std::borrow::Cow;
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use heed::{BoxedError, BytesDecode, BytesEncode};
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/// A codec for values of type `&[u8]`. Unlike `ByteSlice`, its `EItem` and `DItem` associated
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/// types are equivalent (= `&'a [u8]`) and these values can reside within another structure.
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pub struct ByteSliceRefCodec;
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impl<'a> BytesEncode<'a> for ByteSliceRefCodec {
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type EItem = &'a [u8];
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fn bytes_encode(item: &'a Self::EItem) -> Result<Cow<'a, [u8]>, BoxedError> {
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Ok(Cow::Borrowed(item))
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}
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}
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impl<'a> BytesDecode<'a> for ByteSliceRefCodec {
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type DItem = &'a [u8];
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fn bytes_decode(bytes: &'a [u8]) -> Result<Self::DItem, BoxedError> {
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Ok(bytes)
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}
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}
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