text: #ifndef PYTHONIC_OPERATOR_NOT_HPP
  #define PYTHONIC_OPERATOR_NOT_HPP
  
  #include "pythonic/include/operator_/not_.hpp"
  
  #include "pythonic/utils/functor.hpp"
  
  PYTHONIC_NS_BEGIN
  
  namespace operator_
  {
    template <class T>
    decltype(!std::declval<T const &>()) not_(T const &a)
    {
      return !a;
    }
    template <class T>
    bool not_(std::complex<T> const &a)
    {
      return !a.real() && !a.imag();
    }
  }
  PYTHONIC_NS_END
  
  #endif
  