Method SftVirtBase

tests/test_smart_ptr.cpp:253–253

// (virtual inheritance with shared_ptr holder)
struct SftVirtBase : std::enable_shared_from_this<SftVirtBase> {
    SftVirtBase() = default;
    virtual ~SftVirtBase() = default;
    static std::shared_ptr<SftVirtBase> create() { return std::make_shared<SftVirtBase>(); }
    virtual std::string name() { return "SftVirtBase"; }