[英]C++ shared_ptr serialization
I have a class named A which I want to serialize it's object in another class named B . 我有一个名为A的类,我想在另一个名为B的类中序列化它的对象。 but I keep getting this error:
但我不断收到此错误:
error: ‘class std::shared_ptr<A>’ has no member named ‘serialize’
class A is: A类是:
class A
{
public:
typedef shared_ptr<A> Ptr;
string name;
Predicate(const string &name = ""):name(name)
{}
private:
template<typename Archive>
void serialize(Archive& archive, const unsigned int v)
{
archive & name;
}
friend class B;
friend class boost::serialization::access;
}
And class B : 和B类:
class B
{
public:
typedef unordered_set<A::Ptr,
APtrKeyHash,
APtrKeyEq> A_set_t;
A_set_t test;
private:
template<typename Archive>
void serialize(Archive& archive, const unsigned int v)
{
archive & test;
}
friend class boost::serialization::access;
}
note that by shared_ptr here I mean std::shared_ptr, not boost::shared_ptr. 请注意,这里的shared_ptr是指std :: shared_ptr,而不是boost :: shared_ptr。 in fact I used this line: using namespace std;
实际上,我使用了这一行: 使用命名空间std; before my A class
在我的A班之前
您可能忘了包括
#include <boost/serialization/shared_ptr.hpp>
您需要shared_ptr.hpp和boost版本1.56的组合
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