quote:

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I have this non-static, non-virtual, non-template function inside a class in an engine plugin we wrote:

bool Advance(float InDeltaTime);

It's a great candidate for FindReferences because it's a generic name, which makes text search hard to wade through, and there's nothing complicated about it. It even has a simple parameter that might disambiguate it from other things called Advance. Let's see how the search went.
The search took nearly 11 minutes without me stopping it early, during which VS froze several times, and I worried it would crash. At one point I swear I saw the progress bar move slightly backwards.
I searched from the declaration in the header, and it took over 4 minutes before the definition in the cpp was found.
Here is the entire list of results that is not from the header and cpp of this class:

P:\MyDepot\MyWorkspace\Engine\Platforms\Win\Source\ThirdParty\MyCompany\Windows Kits\10\Include\10.0.19041.0\um\MsHTML.h
	(168807):    ( (This)->lpVtbl -> Advance(This) )
P:\MyDepot\MyWorkspace\Engine\Plugins\FX\Niagara\Source\Niagara\Private\NiagaraDataInterfaceSpline.cpp
	FindClosestUnitDistanceFromPositionWS (983):    PosZParam.Advance();
	FindClosestUnitDistanceFromPositionWS (999):    PosZParam.Advance();
P:\MyDepot\MyWorkspace\Engine\Source\Runtime\Core\Public\Math\GenericOctree.h
	(15):    for(FOctreeChildNodeRef ChildRef(0);!ChildRef.IsNULL();ChildRef.Advance())
P:\MyDepot\MyWorkspace\Engine\Source\Runtime\Engine\Private\Particles\ParticleSystemRender.cpp
	RenderDebug (6264):    RenderData.Advance();
	FillVertexData (6469):    RenderData.Advance();
P:\MyDepot\MyWorkspace\Engine\Plugins\Experimental\Water\Source\Runtime\Private\NiagaraDataInterfaceWater.cpp
	GetWaterDataAtPoint (226):    WorldX.Advance();
	GetWaterDataAtPoint (227):    WorldY.Advance();
	GetWaterDataAtPoint (228):    WorldZ.Advance();
	GetWaterDataAtPoint (229):    Time.Advance();
P:\MyDepot\MyWorkspace\Engine\Platforms\Win\Source\ThirdParty\MyCompany\Windows Kits\10\Include\10.0.19041.0\um\Mshtmlc.h
	(168807):    ( (This)->lpVtbl -> Advance(This) )

As you can see, literally 0 of these even match the signature of this function!
In the end, I did sift through a text search of 779 matching lines, because I obviously don't trust these results, and indeed the function is only used in the header and the cpp (it's public, so I couldn't have assumed this). It took me a lot less than 11 minutes to do the unpleasant manual option.

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// name of function is "simpleFindRefFuncInComment"
void simpleFindRefFuncInComment()
{
	// now we are inside of the function called simpleFindRefFuncInComment - check tooltips on find references results
}

/* name of function is "simpleFindRefFuncInComment"
 * 
 * 
 * 
 *
 */