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| author | dhmemi <dhmemi@gmail.com> | 2020-04-11 18:44:30 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-11 18:44:30 +0800 |
| commit | 384002b7e9000f68b9e2d05d832e3c8470666748 (patch) | |
| tree | 8d2497b24f5ad6d4ce6b3e6cab91d6ac0f619776 | |
| parent | Merge pull request #78 from darealshinji/patch-1 (diff) | |
| download | args.hxx-384002b7e9000f68b9e2d05d832e3c8470666748.tar.xz | |
partail support MSVC12(Visual Studio 2013)
| -rw-r--r-- | args.hxx | 46 |
1 files changed, 34 insertions, 12 deletions
@@ -46,6 +46,10 @@ #include <type_traits> #include <cstddef> +#if defined(_MSC_VER) && _MSC_VER <= 1800 +#define noexcept +#endif + #ifdef ARGS_TESTNAMESPACE namespace argstest { @@ -1007,11 +1011,29 @@ namespace args namespace detail { - template <typename T, typename = int> - struct IsConvertableToString : std::false_type {}; + template<typename T> + using vector = std::vector<T, std::allocator<T>>; + + template<typename K, typename T> + using unordered_map = std::unordered_map<K, T, std::hash<K>, + std::equal_to<K>, std::allocator<std::pair<const K, T> > >; + + template<typename S, typename T> + class is_streamable + { + template<typename SS, typename TT> + static auto test(int) + -> decltype( std::declval<SS&>() << std::declval<TT>(), std::true_type() ); + + template<typename, typename> + static auto test(...) -> std::false_type; + + public: + using type = decltype(test<S,T>(0)); + }; template <typename T> - struct IsConvertableToString<T, decltype(std::declval<std::ostringstream&>() << std::declval<T>(), int())> : std::true_type {}; + using IsConvertableToString = typename is_streamable<std::ostringstream, T>::type; template <typename T> typename std::enable_if<IsConvertableToString<T>::value, std::string>::type @@ -3430,7 +3452,7 @@ namespace args */ template < typename T, - template <typename...> class List = std::vector, + template <typename...> class List = detail::vector, typename Reader = ValueReader> class NargsValueFlag : public FlagBase { @@ -3550,7 +3572,7 @@ namespace args */ template < typename T, - template <typename...> class List = std::vector, + template <typename...> class List = detail::vector, typename Reader = ValueReader> class ValueFlagList : public ValueFlagBase { @@ -3670,7 +3692,7 @@ namespace args typename K, typename T, typename Reader = ValueReader, - template <typename...> class Map = std::unordered_map> + template <typename...> class Map = detail::unordered_map> class MapFlag : public ValueFlagBase { private: @@ -3757,9 +3779,9 @@ namespace args template < typename K, typename T, - template <typename...> class List = std::vector, + template <typename...> class List = detail::vector, typename Reader = ValueReader, - template <typename...> class Map = std::unordered_map> + template <typename...> class Map = detail::unordered_map> class MapFlagList : public ValueFlagBase { private: @@ -3948,7 +3970,7 @@ namespace args */ template < typename T, - template <typename...> class List = std::vector, + template <typename...> class List = detail::vector, typename Reader = ValueReader> class PositionalList : public PositionalBase { @@ -4069,7 +4091,7 @@ namespace args typename K, typename T, typename Reader = ValueReader, - template <typename...> class Map = std::unordered_map> + template <typename...> class Map = detail::unordered_map> class MapPositional : public PositionalBase { private: @@ -4149,9 +4171,9 @@ namespace args template < typename K, typename T, - template <typename...> class List = std::vector, + template <typename...> class List = detail::vector, typename Reader = ValueReader, - template <typename...> class Map = std::unordered_map> + template <typename...> class Map = detail::unordered_map> class MapPositionalList : public PositionalBase { private: |