net10.0-windows7.0 
namespace System.Numerics
{
    public static class BitOperations
    {
        [CLSCompliant(false)]
        public static int PopCount(ulong value);
    }
}
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.NET 5.06.07.08.09.010.0
.NET Core 3.03.1
Information specific to net10.0
Platforms This API is only available when you target a specific platform:
Windows 7.0
Information specific to net10.0-windows7.0
Assemblies

System.Runtime , Version=7.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

System.Runtime , Version=6.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to System.Runtime.Experimental.

Package System.Runtime.Experimental (7.0.0-preview.2.22152.2) net7.0
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This API is supported on all platforms.

  • Built-in API
  • Package-provided API