text: #ifndef PYTHONIC_INCLUDE_NUMPY_NONZERO_HPP
  #define PYTHONIC_INCLUDE_NUMPY_NONZERO_HPP
  
  #include "pythonic/include/utils/functor.hpp"
  #include "pythonic/include/types/ndarray.hpp"
  
  PYTHONIC_NS_BEGIN
  
  namespace numpy
  {
  
    template <class E>
    auto nonzero(E const &expr)
        -> types::array<types::ndarray<long, 1>, E::value>;
  
    DECLARE_FUNCTOR(pythonic::numpy, nonzero)
  }
  PYTHONIC_NS_END
  
  #endif
  