Method hash

docopt_value.h:243–268

	void hash_combine(std::size_t& seed, const T& v);

	inline
	size_t value::hash() const noexcept
	{
		switch (kind_) {
			case Kind::String:
				return std::hash<std::string>()(variant_.strValue);

			case Kind::StringList: {
				size_t seed = std::hash<size_t>()(variant_.strList.size());
				for(auto const& str : variant_.strList) {
					hash_combine(seed, str);
				}
				return seed;
			}

			case Kind::Bool:
				return std::hash<bool>()(variant_.boolValue);

			case Kind::Long:
				return std::hash<long>()(variant_.longValue);

			case Kind::Empty:
			default:
				return std::hash<void*>()(nullptr);
		}
	}

	inline
	bool value::asBool() const