etl::impl::NoTwoOfKind Concept Reference

Concept definition

template<typename T>
concept NoTwoOfKind = not(HasLedgerDataHook<T> and HasTransactionHook<T>) and
    not(HasInitialDataHook<T> and HasInitialTransactionHook<T>) and
    not(HasInitialObjectsHook<T> and HasInitialObjectHook<T>)