28 lines
874 B
C++
28 lines
874 B
C++
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2019 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "../expected.hpp"
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#include "../view.hpp"
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#include <chrono>
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#include <system_error>
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namespace cruft::parse {
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/// Parse a number that represents a duration. eg, "1s", "5 minutes".
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///
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/// When there is no suffix it is assumed the quantity is in second.
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///
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/// Note: The quantities are as defined by the standard std::chrono
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/// durations. This means that "1 month" will equal just under 30.5 days.
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/// Thus the utility is not universally useful for offsetting.
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expected<std::chrono::nanoseconds, std::errc>
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duration (cruft::view<char const*> &);
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}
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