public static bool DeepEquals([NotNull] ITuple x, [NotNull] ITuple y, [NotNull] IEqualityComparer comparer)
{
Contract.Requires(x != null && y != null && comparer != null);
using (var xs = x.GetEnumerator())
using (var ys = y.GetEnumerator())
{
while (xs.MoveNext())
{
if (!ys.MoveNext())
{
return(false);
}
if (!comparer.Equals(xs.Current, ys.Current))
{
return(false);
}
}
return(!ys.MoveNext());
}
}
public static int StructuralCompare(ITuple x, ITuple y, [NotNull] IComparer comparer)
{
Contract.Requires(comparer != null);
if (object.ReferenceEquals(x, y))
{
return(0);
}
if (object.ReferenceEquals(x, null))
{
return(-1);
}
if (object.ReferenceEquals(y, null))
{
return(1);
}
using (var xs = x.GetEnumerator())
using (var ys = y.GetEnumerator())
{
while (xs.MoveNext())
{
if (!ys.MoveNext())
{
return(1);
}
int cmp = comparer.Compare(xs.Current, ys.Current);
if (cmp != 0)
{
return(cmp);
}
}
return(ys.MoveNext() ? -1 : 0);
}
}
public IEnumerator <object> GetEnumerator()
{
return(m_items.GetEnumerator());
}
