Method truncate

include/covscript/core/core.hpp:1210–1213

		virtual ~extension() = default;

		static inline int truncate(int n, int m)
		{
			return n == 0 ? 0 : n / int(std::pow(10, (std::max) (int(std::log10(std::abs(n))) - (std::max) (m, 0) + 1, 0)));
		}

		explicit extension(std::string_view path)
		{