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construct/include/ircd/json/path.h

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916 B
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_PATH_H
namespace ircd::json
{
/// Higher order type beyond a string to cleanly delimit multiple keys.
using path = std::initializer_list<string_view>;
std::ostream &operator<<(std::ostream &, const path &);
}
inline std::ostream &
ircd::json::operator<<(std::ostream &s, const path &p)
{
auto it(std::begin(p));
if(it != std::end(p))
{
s << *it;
++it;
}
for(; it != std::end(p); ++it)
s << '.' << *it;
return s;
}