mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
23 lines
731 B
C++
23 lines
731 B
C++
|
#ifndef SPROUT_DETAIL_DIGITS_TO_INT_HPP
|
||
|
|
#define SPROUT_DETAIL_DIGITS_TO_INT_HPP
|
||
|
|
|
||
|
|
#include <type_traits>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
namespace detail {
|
||
|
|
template<typename IntType, char... Chars>
|
||
|
|
struct digits_to_int;
|
||
|
|
template<typename IntType, char C>
|
||
|
|
struct digits_to_int<IntType, C>
|
||
|
|
: public std::integral_constant<IntType, IntType(C - 48)>
|
||
|
|
{};
|
||
|
|
template<typename IntType, char Head, char... Tail>
|
||
|
|
struct digits_to_int<IntType, Head, Tail...>
|
||
|
|
: public std::integral_constant<IntType, 10 * IntType(Head - 48) + sprout::detail::digits_to_int<IntType, Tail...>::value>
|
||
|
|
{};
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_DETAIL_DIGITS_TO_INT_HPP
|