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