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20 lines
410 B
Rust
20 lines
410 B
Rust
use std::cmp::Ordering;
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use std::ops::Deref;
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use rocksdb::DB;
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use crate::rank::criterion::Criterion;
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use crate::database::DatabaseView;
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use crate::rank::Document;
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#[derive(Debug, Clone, Copy)]
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pub struct DocumentId;
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impl<D> Criterion<D> for DocumentId
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where D: Deref<Target=DB>
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{
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fn evaluate(&self, lhs: &Document, rhs: &Document, _: &DatabaseView<D>) -> Ordering {
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lhs.id.cmp(&rhs.id)
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}
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}
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