#include <psemek/io/error.hpp>

namespace psemek::io
{

	char const * null_istream::what() const noexcept
	{
		return "Attempt to read from null input stream";
	}

	char const * null_ostream::what() const noexcept
	{
		return "Attempt to write to null output stream";
	}

	char const * istream_end::what() const noexcept
	{
		return "Unexpected input stream end";
	}

	char const * ostream_end::what() const noexcept
	{
		return "Unexpected output stream end";
	}

}