in modifier for b2Polygon

[Happypig375]

I did not encounter the warning as specified in #57 (comment).

All warnings from Visual Studio are as follows:

Severity	Code	Description	Project	File	Line	Suppression State	Details
Warning (active)	CA2265	Comparing a span to 'null' might be redundant, the 'null' literal will be implicitly converted to a 'Span<T>.Empty' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2265)	Box2D.NET (net10.0), Box2D.NET (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2Distances.cs	619		
Warning (active)	CS0414	The field 'B2BoardPhases.b2_dynamicStats' is assigned but its value is never used	Box2D.NET (net10.0), Box2D.NET (net8.0), Box2D.NET (net9.0), Box2D.NET (netstandard2.1)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2BoardPhases.cs	27		
Warning (active)	CS0414	The field 'B2BoardPhases.b2_kinematicStats' is assigned but its value is never used	Box2D.NET (net10.0), Box2D.NET (net8.0), Box2D.NET (net9.0), Box2D.NET (netstandard2.1)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2BoardPhases.cs	28		
Warning (active)	CS0414	The field 'B2BoardPhases.b2_staticStats' is assigned but its value is never used	Box2D.NET (net10.0), Box2D.NET (net8.0), Box2D.NET (net9.0), Box2D.NET (netstandard2.1)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2BoardPhases.cs	29		
Warning (active)	CS0162	Unreachable code detected	Box2D.NET (net10.0), Box2D.NET (net8.0), Box2D.NET (net9.0), Box2D.NET (netstandard2.1)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2Solvers.cs	52		
Warning (active)	CS0162	Unreachable code detected	Box2D.NET (net10.0), Box2D.NET (net8.0), Box2D.NET (net9.0), Box2D.NET (netstandard2.1)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2Solvers.cs	60		
Warning (active)	CA2265	Comparing a span to 'null' might be redundant, the 'null' literal will be implicitly converted to a 'Span<T>.Empty' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2265)	Box2D.NET (net10.0), Box2D.NET (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2Distances.cs	497		
Warning (active)	CA2265	Comparing a span to 'null' might be redundant, the 'null' literal will be implicitly converted to a 'Span<T>.Empty' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2265)	Box2D.NET (net10.0), Box2D.NET (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET\B2Distances.cs	557		
Warning (active)	CS0219	The variable 'fileBufferCapacity' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Graphics\FontsV1.cs	65		
Warning (active)	CS0219	The variable 'pw' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Graphics\FontsV1.cs	152		
Warning (active)	CS0219	The variable 'ph' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Graphics\FontsV1.cs	153		
Warning (active)	CS0219	The variable 'loop' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Primitives\TaskScheduler.cs	40		
Warning (active)	CS0169	The field 'BenchmarkCast.m_updateType' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Benchmarks\BenchmarkCast.cs	35		
Warning (active)	CS0169	The field 'BenchmarkSleep.m_awake' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Benchmarks\BenchmarkSleep.cs	27		
Warning (active)	CS0169	The field 'Mover.m_deltaX' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Characters\Mover.cs	88		
Warning (active)	CS0169	The field 'Mover.m_deltaY' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Characters\Mover.cs	89		
Warning (active)	CS0219	The variable 'noWalkSteer' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Characters\Mover.cs	310		
Warning (active)	CS0169	The field 'OverlapWorld.m_transform' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Collisions\OverlapWorld.cs	48		
Warning (active)	CS0169	The field 'OverlapWorld.m_basePosition' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Collisions\OverlapWorld.cs	53		
Warning (active)	CS0414	The field 'ShapeCast.m_drawSimplex' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Collisions\ShapeCast.cs	53		
Warning (active)	CS0649	Field 'Doohickey.m_axleId1' is never assigned to, and will always have its default value	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Doohickey.cs	21		
Warning (active)	CS0649	Field 'Doohickey.m_axleId2' is never assigned to, and will always have its default value	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Doohickey.cs	22		
Warning (active)	CS0649	Field 'Doohickey.m_sliderId' is never assigned to, and will always have its default value	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Doohickey.cs	23		
Warning (active)	CS0649	Field 'MotorJoint._transform' is never assigned to, and will always have its default value	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Joints\MotorJoint.cs	35		
Warning (active)	CS0169	The field 'ModifyGeometry.m_shape' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Shapes\ModifyGeometry.cs	24		
Warning (active)	CS0169	The field 'CapsuleStack.Event.indexA' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Stackings\CapsuleStack.cs	18		
Warning (active)	CS0169	The field 'CapsuleStack.Event.indexB' is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Stackings\CapsuleStack.cs	18		
Warning (active)	CS0414	The field 'CircleImpulse.m_gravity' is assigned but its value is never used	Box2D.NET.Samples (net10.0), Box2D.NET.Samples (net8.0), Box2D.NET.Samples (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\src\Box2D.NET.Samples\Samples\Stackings\CircleImpulse.cs	33		
Warning (active)	CS0219	The variable 'index' is assigned but its value is never used	Box2D.NET.Test (net10.0), Box2D.NET.Test (net8.0), Box2D.NET.Test (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\test\Box2D.NET.Test\B2DeterminismTest.cs	59		
Warning (active)	CS1718	Comparison made to same variable; did you mean to compare something else?	Box2D.NET.Test (net10.0), Box2D.NET.Test (net8.0), Box2D.NET.Test (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\test\Box2D.NET.Test\B2Vec2Test.cs	183		
Warning (active)	CS1718	Comparison made to same variable; did you mean to compare something else?	Box2D.NET.Test (net10.0), Box2D.NET.Test (net8.0), Box2D.NET.Test (net9.0)	C:\Users\hadri\source\repos\Box2D.NET\test\Box2D.NET.Test\B2Vec2Test.cs	184