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feat: extend has_from_toml_method to be generic

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This commit is contained in:
ToruNiina 2019-06-01 20:16:59 +09:00
parent 65540fbb5c
commit 696e5bb66f
1 changed files with 11 additions and 8 deletions
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19
toml/traits.hpp
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@ -60,13 +60,14 @@ struct has_resize_method_impl
struct has_from_toml_method_impl
{
template<typename T>
template<typename T, typename C,
template<typename ...> class Tb, template<typename ...> class A>
static std::true_type check(
decltype(std::declval<T>().from_toml(std::declval<::toml::basic_value<
::toml::discard_comments, std::unordered_map, std::vector>>()
)
)*);
template<typename T>
decltype(std::declval<T>().from_toml(
std::declval<::toml::basic_value<C, Tb, A>>()))*);
template<typename T, typename C,
template<typename ...> class Tb, template<typename ...> class A>
static std::false_type check(...);
};
struct has_into_toml_method_impl
@ -94,9 +95,11 @@ struct has_mapped_type : decltype(has_mapped_type_impl::check<T>(nullptr)){};
template<typename T>
struct has_resize_method : decltype(has_resize_method_impl::check<T>(nullptr)){};
template<typename T>
template<typename T, typename C,
template<typename ...> class Tb, template<typename ...> class A>
struct has_from_toml_method
: decltype(has_from_toml_method_impl::check<T>(nullptr)){};
: decltype(has_from_toml_method_impl::check<T, C, Tb, A>(nullptr)){};
template<typename T>
struct has_into_toml_method
: decltype(has_into_toml_method_impl::check<T>(nullptr)){};