db::Access Class Reference

A class for retrieving items from a DataBox without needing to know all the tags in the box. More...

#include <Access.hpp>

Public Member Functions
virtual std::string	print_types () const =0
	Print the expanded type aliases of the derived db::DataBox More...

Friends
template<typename Tag >
const auto &	get (const Access &box)
	Retrieve a tag from a db::Access
template<typename... MutateTags, typename Invokable , typename... Args>
decltype(auto)	mutate (Invokable &&invokable, gsl::not_null< Access * > box, Args &&... args)

Detailed Description

A class for retrieving items from a DataBox without needing to know all the tags in the box.

Retrieval is handled using a virtual function call but still uses Tags rather than strings to ensure automatic handling of casting to the expected type.

Member Function Documentation

print_types()

virtual std::string db::Access::print_types ( ) const

pure virtual

Print the expanded type aliases of the derived db::DataBox

Implemented in db::DataBox< tmpl::list< Tags... > >.

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The documentation for this class was generated from the following file:

• src/DataStructures/DataBox/Access.hpp