mirror of
https://github.com/pezkuwichain/pezkuwi-telemetry.git
synced 2026-07-01 22:17:21 +00:00
James Wilson
32 lines
1.0 KiB
TypeScript
32 lines
1.0 KiB
TypeScript
// Source code for the Substrate Telemetry Server.
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// Copyright (C) 2021 Parity Technologies (UK) Ltd.
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//
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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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import { Opaque } from './helpers';
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/**
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* Unique type-constrained Id number.
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*/
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export type Id<T> = Opaque<number, T>;
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/**
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* Higher order function producing new auto-incremented `Id`s.
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*/
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export function idGenerator<I extends Id<any>>(): () => I {
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let current = 0;
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return () => current++ as I;
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}
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