observers::Actions::RegisterSingletonWithObserverWriter< RegisterHelper > Struct Template Reference

Registers a singleton with the ObserverWriter. More...

#include <RegisterSingleton.hpp>

Static Public Member Functions
template<typename DbTagList , typename... InboxTags, typename Metavariables , typename ArrayIndex , typename ActionList , typename ParallelComponent >
static std::tuple< db::DataBox< DbTagList > &&, bool >	apply (db::DataBox< DbTagList > &box, const tuples::TaggedTuple< InboxTags... > &, Parallel::GlobalCache< Metavariables > &cache, const ArrayIndex &array_index, const ActionList, const ParallelComponent *const) noexcept

Detailed Description

template<typename RegisterHelper>
struct observers::Actions::RegisterSingletonWithObserverWriter< RegisterHelper >

Registers a singleton with the ObserverWriter.

The singleton that observes is expected to call WriteReductionData on node 0.