iterator_traits.h

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#ifndef GRPPI_COMMON_ITERATOR_TRAITS_H
#define GRPPI_COMMON_ITERATOR_TRAITS_H

namespace grppi{
  template<typename T, typename = void>
  struct is_iterator
  {
    static constexpr bool value = false;
  };

  template<typename T>
  struct is_iterator<T, typename std::enable_if<!std::is_same<typename std::iterator_traits<T>::value_type, void>::value>::type>
  {
    static constexpr bool value = true;
  };
}

#endif