VANY_DISPACH macros

Macros to reduce boilerplate for declaring/defining open dispatch with vany_variant. Only neccessary for DLL scenarios. More...

Macros
#define	VANY_DISPACH_DECLARE(export_, name, vany, signature, static_dispatch)
	Declare a singleton object for open vany dispatch.
#define	VANY_DISPACH(namespace_, name)
	Define a vany dispatch singleton object in a source file.

Detailed Description

Macros to reduce boilerplate for declaring/defining open dispatch with vany_variant. Only neccessary for DLL scenarios.

Macro Definition Documentation

VANY_DISPACH

#define VANY_DISPACH	(		namespace_,
			name )

Value:

ANY_SINGLETON(namespace_, name);

Define a vany dispatch singleton object in a source file.

Parameters

namespace_	The namespace for the singleton.
name	Name of the singleton.

See also VANY_DISPACH_DECLARE, ANY_SINGLETON.

Examples

_2c_trait_any_variant.cpp.

VANY_DISPACH_DECLARE

#define VANY_DISPACH_DECLARE	(		export_,
			name,
			vany,
			signature,
			static_dispatch )

Value:

constexpr static inline auto name##_static_dispatch =                       \
    anyxx::overloads{_detail_REMOVE_PARENS(static_dispatch)};               \
                                                                            \
using name##_vany = vany;                                                   \
using name##_dynamic_dispatch =                                             \
    anyxx::dispatch<_detail_REMOVE_PARENS(signature)>;                      \
                                                                            \
ANY_SINGLETON_DECLARE(                                                      \
    , name,                                                                 \
    anyxx::dispatch_vany<name##_vany, name##_dynamic_dispatch,              \
                         name##_static_dispatch>)

Declare a singleton object for open vany dispatch.

Parameters

export_	To supply an export macro in a DLL scenario.
name	Name of the dispatch.
vany	Type of vany.
signature	Signature of the dispatch.
static_dispatch	Static constexpr visitor for the non-any members of the vany.

See also VANY_DISPACH, ANY_SINGLETON_DECLARE.

Examples

_2c_trait_any_variant.cpp.