Method optimize

include/chaiscript/language/chaiscript_optimizer.hpp:235–251

    struct If {
      template<typename T>
      auto optimize(eval::AST_Node_Impl_Ptr<T> node) {
        if ((node->identifier == AST_Node_Type::If)
             && node->children.size() >= 2
             && node->children[0]->identifier == AST_Node_Type::Constant)
        {
          const auto condition = dynamic_cast<eval::Constant_AST_Node<T> *>(node->children[0].get())->m_value;
          if (condition.get_type_info().bare_equal_type_info(typeid(bool))) {
            if (boxed_cast<bool>(condition)) {
              return std::move(node->children[1]);
            } else if (node->children.size() == 3) {
              return std::move(node->children[2]);
            }
          }
        }

        return node;
      }
    };

    struct Partial_Fold {