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Simplify the the facet types

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This commit is contained in:
Clément Renault
2020-11-13 11:45:37 +01:00
parent 466fb601d6
commit cf9ddd293d
4 changed files with 40 additions and 57 deletions
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28
src/heed_codec/facet/facet_value_u64_codec.rs
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@ -1,28 +0,0 @@
use std::borrow::Cow;
use std::convert::TryInto;
use std::str;
use crate::heed_codec::StrBytesCodec;
use crate::facet::value_encoding::{u64_from_bytes, u64_into_bytes};
pub struct FacetValueU64Codec;
impl<'a> heed::BytesDecode<'a> for FacetValueU64Codec {
type DItem = (&'a str, u64);
fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
let (name, bytes) = StrBytesCodec::bytes_decode(bytes)?;
let value = bytes.try_into().map(u64_from_bytes).ok()?;
Some((name, value))
}
}
impl<'a> heed::BytesEncode<'a> for FacetValueU64Codec {
type EItem = (&'a str, u64);
fn bytes_encode((name, value): &Self::EItem) -> Option<Cow<[u8]>> {
let value = u64_into_bytes(*value);
let tuple = (*name, &value[..]);
StrBytesCodec::bytes_encode(&tuple).map(Cow::into_owned).map(Cow::Owned)
}
}

2
src/heed_codec/facet/mod.rs
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@ -1,9 +1,7 @@
mod facet_value_f64_codec;
mod facet_value_i64_codec;
mod facet_value_string_codec;
mod facet_value_u64_codec;
pub use self::facet_value_f64_codec::FacetValueF64Codec;
pub use self::facet_value_i64_codec::FacetValueI64Codec;
pub use self::facet_value_string_codec::FacetValueStringCodec;
pub use self::facet_value_u64_codec::FacetValueU64Codec;