mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 01:47:55 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
55 lines
1.6 KiB
Rust
55 lines
1.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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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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// 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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// 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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//! Produce opaque sequential IDs.
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/// A Sequence of IDs.
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#[derive(Debug, Default)]
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// The `Clone` trait is intentionally not defined on this type.
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pub struct IDSequence {
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next_id: u64,
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}
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/// A Sequential ID.
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///
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/// Its integer value is intentionally not public: it is supposed to be instantiated from within
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/// this module only.
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
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pub struct SeqID(u64);
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impl std::fmt::Display for SeqID {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl IDSequence {
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/// Create a new ID-sequence.
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pub fn new() -> Self {
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Default::default()
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}
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/// Obtain another ID from this sequence.
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pub fn next_id(&mut self) -> SeqID {
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let id = SeqID(self.next_id);
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self.next_id += 1;
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id
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}
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}
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