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34 lines
1.1 KiB
Rust
34 lines
1.1 KiB
Rust
/*
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* Copyright © 2022 RLKM UG (haftungsbeschränkt).
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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use std::marker::PhantomData;
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use lmdb::Transaction;
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use crate::db;
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use crate::db::{Adapter, DB};
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pub struct Index<I, A> {
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db: DB<A>,
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_marker: PhantomData<I>,
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}
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impl<I: AsRef<[u8]>, A: Adapter> Index<I, A> {
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pub fn get<T: Transaction>(
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&self, txn: &T, lookup: I,
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) -> Result<Option<A::Item>, db::Error> {
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self.db.get(txn, &lookup)
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}
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} |