etlng::impl::ContainsValidHook Concept Reference

Concept definition

template<typename T>
concept etlng::impl::ContainsValidHook =  HasLedgerDataHook<T> or HasInitialDataHook<T> or
    (HasTransactionHook<T> and ContainsSpec<T>) or (HasInitialTransactionHook<T> and ContainsSpec<T>) or
    HasObjectHook<T> or HasInitialObjectsHook<T> or HasInitialObjectHook<T>