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🎨 replace alternative operators (and, not, or)

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Niels Lohmann 2020-06-03 14:20:36 +02:00
parent 4f04ea1bef
commit 0498202a03
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GPG key ID: 7F3CEA63AE251B69
22 changed files with 1300 additions and 1300 deletions
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22
include/nlohmann/detail/meta/detected.hpp
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@ -19,39 +19,39 @@ struct nonesuch
void operator=(nonesuch&&) = delete;
};
template <class Default,
class AlwaysVoid,
template <class...> class Op,
class... Args>
template<class Default,
class AlwaysVoid,
template<class...> class Op,
class... Args>
struct detector
{
using value_t = std::false_type;
using type = Default;
};
template <class Default, template <class...> class Op, class... Args>
template<class Default, template<class...> class Op, class... Args>
struct detector<Default, void_t<Op<Args...>>, Op, Args...>
{
using value_t = std::true_type;
using type = Op<Args...>;
};
template <template <class...> class Op, class... Args>
template<template<class...> class Op, class... Args>
using is_detected = typename detector<nonesuch, void, Op, Args...>::value_t;
template <template <class...> class Op, class... Args>
template<template<class...> class Op, class... Args>
using detected_t = typename detector<nonesuch, void, Op, Args...>::type;
template <class Default, template <class...> class Op, class... Args>
template<class Default, template<class...> class Op, class... Args>
using detected_or = detector<Default, void, Op, Args...>;
template <class Default, template <class...> class Op, class... Args>
template<class Default, template<class...> class Op, class... Args>
using detected_or_t = typename detected_or<Default, Op, Args...>::type;
template <class Expected, template <class...> class Op, class... Args>
template<class Expected, template<class...> class Op, class... Args>
using is_detected_exact = std::is_same<Expected, detected_t<Op, Args...>>;
template <class To, template <class...> class Op, class... Args>
template<class To, template<class...> class Op, class... Args>
using is_detected_convertible =
std::is_convertible<detected_t<Op, Args...>, To>;
} // namespace detail