forked from boostorg/optional
Drop unused traits
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@ -52,14 +52,6 @@
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#endif
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#ifndef BOOST_OPTIONAL_DETAIL_USE_STD_TYPE_TRAITS
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# define BOOST_OPTIONAL_DETAIL_HAS_TRIVIAL_CTOR(T) BOOST_HAS_TRIVIAL_CONSTRUCTOR(T)
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#else
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# include <type_traits>
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# define BOOST_OPTIONAL_DETAIL_HAS_TRIVIAL_CTOR(T) std::is_trivially_default_constructible<T>::value
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#endif
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namespace boost { namespace optional_detail {
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#ifndef BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
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@ -81,23 +73,6 @@ struct is_type_trivially_copyable
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#endif
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#ifndef BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
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template <typename T>
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struct optional_uses_direct_storage_for_
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: boost::conditional< (is_type_trivially_copyable<T>::value && BOOST_OPTIONAL_DETAIL_HAS_TRIVIAL_CTOR(T)) ||
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(boost::is_scalar<T>::value && !boost::is_const<T>::value && !boost::is_volatile<T>::value)
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, boost::true_type, boost::false_type>::type
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{};
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#else
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template <typename T>
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struct optional_uses_direct_storage_for_
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: boost::conditional<(boost::is_scalar<T>::value && !boost::is_const<T>::value && !boost::is_volatile<T>::value)
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, boost::true_type, boost::false_type>::type
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{};
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#endif
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}} // boost::optional_detail
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#endif
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