Method statement_case

include/covscript/impl/statement.hpp:305–305

	public:
		statement_case() = delete;

		statement_case(const var &tag, const std::deque<statement_base *> &b, const context_t &c, token_base *ptr)
			: statement_base(c, ptr), mTag(copy(tag)), mBlock(new statement_block(b, c, ptr)) {}