public override int CompareTo(Expression R)
{
NamedAtom RA = R as NamedAtom;
if (!ReferenceEquals(RA, null))
{
int c = TypeRank.CompareTo(RA.TypeRank);
if (c != 0)
{
return(c);
}
// Try comparing the first 4 chars of the name.
c = cmp.CompareTo(RA.cmp);
if (c != 0)
{
return(c);
}
// First 4 chars match, need to use the full compare.
return(String.Compare(name, RA.name, StringComparison.Ordinal));
}
return(base.CompareTo(R));
}
public override bool Equals(Expression E)
{
NamedAtom A = E as NamedAtom;
if (E is null || A is null)
{
return(base.Equals(E));
}
return(Equals(name, A.name));
}