StructuralEqualityComparer.cs

Go to the documentation of this file.

namespace System.Collections;
 
internal sealed class StructuralEqualityComparer : IEqualityComparer
{
    public new bool Equals(object x, object y)
    {
        if (x != null)
        {
            if (x is IStructuralEquatable structuralEquatable)
            {
                return structuralEquatable.Equals(y, this);
            }
            if (y != null)
            {
                return x.Equals(y);
            }
            return false;
        }
        if (y != null)
        {
            return false;
        }
        return true;
    }
 
    public int GetHashCode(object obj)
    {
        if (obj == null)
        {
            return 0;
        }
        if (obj is IStructuralEquatable structuralEquatable)
        {
            return structuralEquatable.GetHashCode(this);
        }
        return obj.GetHashCode();
    }
}