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  1.   template<typename T, typename... Args>
  2.   constexpr bool is_nothrow_constructible() { return noexcept(T(declval<Args>()...)); }
  3.   template<typename T>
  4.   constexpr bool is_nothrow_default_constructible() { return noexcept(T()); }
  5.   template<typename T>
  6.   constexpr bool is_nothrow_copy_constructible() { return noexcept(T(declval<T>())); }
  7.   template<typename T>
  8.   constexpr bool is_nothrow_move_constructible() { return noexcept(T(declval<add_rvalue_reference<T>>())); }
  9.   template<typename T, typename X>
  10.   constexpr bool is_nothrow_assignable() { return noexcept(declval<T>() = declval<X>()); }
  11.   template<typename T, typename X>
  12.   constexpr bool is_nothrow_copy_assignable() { return is_nothrow_assignable<add_lvalue_reference<T>, const add_lvalue_reference<X>>(); }
  13.   template<typename T, typename X>
  14.   constexpr bool is_nothrow_move_assignable() { return is_nothrow_assignable<add_lvalue_reference<T>, add_rvalue_reference<X>>(); }
  15.   template<typename T>
  16.   constexpr bool is_nothrow_destructible() { return noexcept(declval<T>().~T()); }
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https://ideone.com/Ac7ryG
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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