public static IDisposable SetFlag(this object source, string name)
{
CheckArgs(source, name);
FlagCount flagCount = _flags.GetOrAdd(name, n => new FlagCount(n));
return(new Flag(flagCount, source));
}
internal Flag(FlagCount flagCount, object source)
{
_flagCount = flagCount;
_source = source;
_flagCount.Increment(_source);
}