mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 18:22:50 +01:00
77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_JSON_PROPERTY_H
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namespace ircd::json
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{
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template<const char *const &name,
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class value_type>
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struct property;
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}
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/// The property template specifies a key/value member of a json::tuple
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///
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///
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template<const char *const &name,
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class T>
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struct ircd::json::property
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{
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using key_type = const char *const &;
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using value_type = T;
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static constexpr auto &key
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{
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name
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};
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T value;
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constexpr operator const T &() const;
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constexpr operator T &();
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property() = default;
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constexpr property(T&& value);
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constexpr property &operator=(T&& value);
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};
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template<const char *const &name,
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class T>
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constexpr
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ircd::json::property<name, T>::property(T&& value)
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:value{std::forward<T>(value)}
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{}
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template<const char *const &name,
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class T>
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constexpr ircd::json::property<name, T> &
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ircd::json::property<name, T>::operator=(T&& value)
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{
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this->value = std::forward<T>(value);
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return *this;
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}
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template<const char *const &name,
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class T>
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constexpr ircd::json::property<name, T>::operator
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T &()
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{
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return value;
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}
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template<const char *const &name,
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class T>
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constexpr ircd::json::property<name, T>::operator
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const T &()
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const
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{
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return value;
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}
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