Differential D11103 Diff 43307 source/blender/functions/FN_generic_virtual_array.hh

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source/blender/functions/FN_generic_virtual_array.hh

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* A generic virtual array is the same as a virtual array from blenlib, except for the fact that		* A generic virtual array is the same as a virtual array from blenlib, except for the fact that
* the data type is only known at runtime.		* the data type is only known at runtime.
*/		*/

#include <optional>		#include <optional>

#include "BLI_virtual_array.hh"		#include "BLI_virtual_array.hh"

		#include "FN_generic_array.hh"
#include "FN_generic_span.hh"		#include "FN_generic_span.hh"

namespace blender::fn {		namespace blender::fn {

template<typename T> class GVArray_Typed;		template<typename T> class GVArray_Typed;
template<typename T> class GVMutableArray_Typed;		template<typename T> class GVMutableArray_Typed;

class GVArray;		class GVArray;
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}		}

const void *try_get_internal_varray_impl() const override		const void *try_get_internal_varray_impl() const override
{		{
return varray_;		return varray_;
}		}
};		};

		class GVArray_For_GArray : public GVArray_For_GSpan {
		protected:
		GArray<> array_;

		public:
		GVArray_For_GArray(GArray<> array) : GVArray_For_GSpan(array.as_span()), array_(std::move(array))
		{
		}
		JacquesLuckeUnsubmitted Done Inline Actions This constructor still has to set `data_`. JacquesLucke: This constructor still has to set `data_`.
		HooglyBooglyAuthorUnsubmitted Done Inline Actions Eek, thanks! The `GSpan` constructor seems to work better here anyway. HooglyBoogly: Eek, thanks! The `GSpan` constructor seems to work better here anyway.
		JacquesLuckeUnsubmitted Done Inline Actions Right. Note, if `GArray` would support small-object-optimization, then the `GSpan` constructor could not be used. JacquesLucke: Right. Note, if `GArray` would support small-object-optimization, then the `GSpan` constructor…
		};

/* Used to convert any generic virtual array into a typed one. */		/* Used to convert any generic virtual array into a typed one. */
template<typename T> class VArray_For_GVArray : public VArray<T> {		template<typename T> class VArray_For_GVArray : public VArray<T> {
protected:		protected:
const GVArray *varray_ = nullptr;		const GVArray *varray_ = nullptr;

public:		public:
VArray_For_GVArray(const GVArray &varray) : VArray<T>(varray.size()), varray_(&varray)		VArray_For_GVArray(const GVArray &varray) : VArray<T>(varray.size()), varray_(&varray)
{		{
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