小编wmj*_*gla的帖子

我心里有这样的想法：

// This is called at multiple locations and each handles the returned object
// differently. Handling also differs depending on the returned object type.
void GetObject() {
    // Check runtime condition

    // Object1 and Object2 are completely dissimilar and do not share a base class.
    if (condition1) {
        // Operations to prepare for construction of Object1
        throw Object1{ var1, var2, var3 };
    }
    if (condition2) {
        // Operations to prepare for construction of Object2
        throw Object2{ var4, var5 }; …