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//forward declare the class template PayloadResult
template <typename TPayload> class PayloadResult;
class Result
{
public:
template<class TPayload>
PayloadResult<TPayload> success(TPayload payload) { return PayloadResult<TPayload>(payload); }//now this won't give error because you have forward declared
};
//added typename
template <typename TPayload>
class PayloadResult
{
private:
TPayload payload_;
public:
PayloadResult(TPayload payload)
{
payload_ = payload;
}
TPayload payload()
{
return payload;
}
};
int main()
{
return 0;
}
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