ReturnPolicy_AggregateUntilCancelled.h

#pragma once
 
#include "mc/_HeaderOutputPredefine.h"
 
namespace Bedrock::PubSub::Detail {
 
template <typename TReturnType>
struct ReturnPolicy_AggregateUntilCancelled {
    using ReturnType =
        std::conditional_t<std::is_default_constructible_v<TReturnType>, TReturnType, std::optional<TReturnType>>;
 
protected:
    ReturnType return_value_;
};
 
} // namespace Bedrock::PubSub::Detail