dxx-rebirth/common/include/varutil.h
Kp 1f8a54a334 Define cstring_tie::end()
std::ranges::range<T> requires that T provide a reasonable `end()`.
cstring_tie did not provide one since it uses private inheritance of
`std::array`.  However, it can provide a reasonable one, so define that
here.
2022-10-09 23:15:20 +00:00

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C++

/*
* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
* It is copyright by its individual contributors, as recorded in the
* project's Git history. See COPYING.txt at the top level for license
* terms and a link to the Git history.
*/
#pragma once
#include <cstddef>
#include "dxxsconf.h"
#include <array>
template <std::size_t N>
class cstring_tie : std::array<const char *, N>
{
public:
static const std::size_t maximum_arity = N;
using array_t = std::array<const char *, maximum_arity>;
template <typename... Args>
requires(sizeof...(Args) <= maximum_arity)
cstring_tie(Args&&... args) :
array_t{{args...}}, m_count(sizeof...(Args))
{
}
unsigned count() const { return m_count; }
const char *string(std::size_t i) const { return this->operator[](i); }
using array_t::begin;
auto end() const
{
return std::next(begin(), m_count);
}
private:
unsigned m_count;
};