57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
/* Initializer list support for OctaSTD.
|
|
*
|
|
* This file is part of OctaSTD. See COPYING.md for futher information.
|
|
*/
|
|
|
|
#ifndef OSTD_INITIALIZER_LIST_HH
|
|
#define OSTD_INITIALIZER_LIST_HH
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "ostd/range.hh"
|
|
|
|
#ifndef OSTD_ALLOW_CXXSTD
|
|
/* must be in std namespace otherwise the compiler won't know about it */
|
|
namespace std {
|
|
|
|
template<typename T>
|
|
class initializer_list {
|
|
T const *p_buf;
|
|
ostd::Size p_len;
|
|
|
|
constexpr initializer_list(T const *v, ostd::Size n) noexcept:
|
|
p_buf(v), p_len(n)
|
|
{}
|
|
public:
|
|
constexpr initializer_list() noexcept: p_buf(nullptr), p_len(0) {}
|
|
|
|
constexpr ostd::Size size() const noexcept { return p_len; }
|
|
|
|
constexpr T const *begin() const noexcept { return p_buf; }
|
|
constexpr T const *end() const noexcept { return p_buf + p_len; }
|
|
};
|
|
|
|
}
|
|
#else
|
|
#include <initializer_list>
|
|
#endif
|
|
|
|
namespace ostd {
|
|
|
|
template<typename T>
|
|
using InitializerList = std::initializer_list<T>;
|
|
|
|
template<typename T>
|
|
PointerRange<T const> iter(std::initializer_list<T> init) noexcept {
|
|
return PointerRange<T const>(init.begin(), init.end());
|
|
}
|
|
|
|
template<typename T>
|
|
PointerRange<T const> citer(std::initializer_list<T> init) noexcept {
|
|
return PointerRange<T const>(init.begin(), init.end());
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|