mirror of
https://github.com/matrix-construct/construct
synced 2024-12-30 17:34:04 +01:00
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_JSON_PROPERTY_H
|
|
|
|
namespace ircd::json
|
|
{
|
|
template<const char *const &name,
|
|
class value_type>
|
|
struct property;
|
|
}
|
|
|
|
/// The property template specifies a key/value member of a json::tuple
|
|
///
|
|
///
|
|
template<const char *const &name,
|
|
class T>
|
|
struct ircd::json::property
|
|
{
|
|
using key_type = const char *const &;
|
|
using value_type = T;
|
|
|
|
static constexpr auto &key
|
|
{
|
|
name
|
|
};
|
|
|
|
T value;
|
|
|
|
constexpr operator const T &() const;
|
|
constexpr operator T &();
|
|
|
|
constexpr property() = default;
|
|
};
|
|
|
|
template<const char *const &name,
|
|
class T>
|
|
constexpr ircd::json::property<name, T>::operator
|
|
T &()
|
|
{
|
|
return value;
|
|
}
|
|
|
|
template<const char *const &name,
|
|
class T>
|
|
constexpr ircd::json::property<name, T>::operator
|
|
const T &()
|
|
const
|
|
{
|
|
return value;
|
|
}
|