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weak_ptr seems to work for poly types

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This commit is contained in:
Shane Grant
2013-07-01 11:28:54 -07:00
parent 7f791d2af9
commit d06b100cb5
2 changed files with 11 additions and 8 deletions
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13
sandbox_rtti.cpp
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@@ -51,6 +51,8 @@ struct Base
struct MyType : public Base
{
int x;
void foo() {}
template<class Archive>
@@ -69,18 +71,24 @@ CEREAL_REGISTER_TYPE(MyType);
struct YourType : public Base
{
YourType(int xx) : x(xx) {}
YourType() : x(-1) {}
int x;
void foo() {}
template<class Archive>
void save(Archive & ar) const
{
std::cout << "Saving YourType" << std::endl;
ar( x );
}
template<class Archive>
void load(Archive & ar)
{
std::cout << "Loading YourType" << std::endl;
ar( x );
}
};
CEREAL_REGISTER_TYPE(YourType);
@@ -94,7 +102,7 @@ int main()
cereal::BinaryOutputArchive oarchive(ostream);
std::shared_ptr<Base> ptr1 = std::make_shared<MyType>();
std::shared_ptr<Base> ptr2 = std::make_shared<YourType>();
std::shared_ptr<Base> ptr2 = std::make_shared<YourType>(33);
std::unique_ptr<Base> ptr3(new MyType);
std::weak_ptr<Base> ptr4 = ptr2;
@@ -104,8 +112,6 @@ int main()
oarchive(ptr4);
}
{
std::ifstream istream("rtti.txt");
cereal::BinaryInputArchive iarchive(istream);
@@ -121,4 +127,5 @@ int main()
iarchive(ptr4);
}
//std::remove("rtti.txt");
}