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I am trying to use Array.Fill in my program but I am getting an error saying that there is no definition for Fill. I left off the function name in the title of this post because the same problem seems to happen for multiple functions in Array. I found multiple forum posts online where people had the same problem and for them the solution was to add using System; or using System.Linq;, but I already have both of these. I suspect the problem is that I need to somehow add the assembly System.Runtime.dll which contains the definition for Array.Fill, but I am using Unity with Visual Studio for Mac and I have not been able to find a way to manage assemblies in either program. I have also been unable to find a project or solution file anywhere (I believe that is where I would add an assembly). Here is the problem line:

Array.Fill<Vector4>(cross, Rot4.Cross(vs[0], vs[1], vs[2]));

Does anyone have any idea what I can try? I suppose I could fill my array manually, but I want to know why this isn't working.

A. Kriegman
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1 Answers1

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Array.Fill is not available in .NET Standard 2.0, but 2.1,

https://learn.microsoft.com/en-us/dotnet/api/system.array.fill?view=netcore-3.1

But Unity does not yet support .NET Standard 2.1, https://docs.unity3d.com/2020.1/Documentation/Manual/dotnetProfileSupport.html but 2.0.

So in your case, you have to use workarounds (such as filling the array manually).

Lex Li
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