message: Workaround for ssize_t on windows
diff: * - YYYY/MM Author: Description of the modification
  */
  +// https://github.com/grey-narn/hera/issues/3
  +// ssize_t is a non-standard type (well, posix)
  +// BaseTsd.h provides SSIZE_T on windows, this one should be the same there.
  +#ifdef _MSC_VER
  +#include <cstddef>
  +typedef std::ptrdiff_t ssize_t;
  +#endif
  +
  #include <bottleneck.h> // Hera
  #include <pybind11_diagram_utils.h>
  