48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/** @file IGCObject_Any.hpp
|
|
*
|
|
* @author Roland Conybeare, Dec 2025
|
|
**/
|
|
|
|
#pragma once
|
|
|
|
#include "AGCObject.hpp"
|
|
#include <new>
|
|
|
|
namespace xo {
|
|
namespace mm { struct IGCObject_Any; }
|
|
|
|
namespace facet {
|
|
template <>
|
|
struct FacetImplementation<xo::mm::AGCObject, DVariantPlaceholder> {
|
|
using ImplType = xo::mm::IGCObject_Any;
|
|
};
|
|
}
|
|
|
|
namespace mm {
|
|
/** @class IGCObject_Any
|
|
* @brief AGCObject implementation for empty variant instance
|
|
**/
|
|
struct IGCObject_Any : public AGCObject {
|
|
using size_type = std::size_t;
|
|
|
|
const AGCObject * iface() const { return std::launder(this); }
|
|
|
|
// from AGCObject
|
|
int32_t _typeseq() const noexcept override { return s_typeseq; }
|
|
|
|
[[noreturn]] size_type shallow_size(Copaque) const noexcept override { _fatal(); }
|
|
[[noreturn]] Opaque * shallow_copy(Copaque,
|
|
obj<AAllocator>) const noexcept override { _fatal(); }
|
|
[[noreturn]] size_type forward_children(Opaque) const noexcept override { _fatal(); }
|
|
|
|
private:
|
|
[[noreturn]] static void _fatal();
|
|
|
|
public:
|
|
static int32_t s_typeseq;
|
|
static bool _valid;
|
|
};
|
|
} /*namespace mm*/
|
|
} /*namespace xo*/
|
|
|
|
/* end IGCObject_Any.hpp */
|