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chore: Avoid using the external library Itertools

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This commit is contained in:
Clément Renault 2018-11-30 14:32:29 +01:00
parent 2719f1ad3b
commit 5829d08bc0
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GPG key ID: 0151CDAB43460DAE
2 changed files with 6 additions and 6 deletions
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11
src/blob/ops.rs
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@ -2,7 +2,6 @@ use std::error::Error;
use fst::{IntoStreamer, Streamer};
use group_by::GroupBy;
use itertools::{Itertools, Either};
use sdset::duo::DifferenceByKey;
use sdset::{Set, SetOperation};
@ -47,7 +46,9 @@ impl OpBuilder {
pub fn merge(self) -> Result<PositiveBlob, Box<Error>> {
let groups = GroupBy::new(&self.blobs, blob_same_sign);
let (positives, negatives): (Vec<_>, Vec<_>) = groups.partition_map(|blobs| {
let mut positives = Vec::new();
let mut negatives = Vec::new();
for blobs in groups {
match blobs[0].sign() {
Sign::Positive => {
let mut op_builder = positive::OpBuilder::with_capacity(blobs.len());
@ -65,7 +66,7 @@ impl OpBuilder {
}
let (map, doc_indexes) = builder.into_inner().unwrap();
let blob = PositiveBlob::from_bytes(map, doc_indexes).unwrap();
Either::Left(blob)
positives.push(blob);
},
Sign::Negative => {
let mut op_builder = negative::OpBuilder::with_capacity(blobs.len());
@ -73,10 +74,10 @@ impl OpBuilder {
op_builder.push(unwrap_negative(blob));
}
let blob = op_builder.union().into_negative_blob();
Either::Right(blob)
negatives.push(blob);
},
}
});
}
let mut zipped = positives.into_iter().zip(negatives);
let mut buffer = Vec::new();