Re: How to overload == for System.Double

C# has deep roots in C++ (C# is a form of C++++).  There was a conscious
effort in the design of C# in the beginning to break free of the non-OO
legacy attributes of C++ (as it has deep roots in C).  A very powerful
feature of C++ is nonmember functions that facilitate much of the
abilities that extension functions give you.  There was an explicit
decision to not include a feature like nonmember functions in C# because
it didn't fit within the vision of the C# language (at the time) and
wasn't considered safe, truly object oriented, etc.

Now, in the huge push to implement LINQ in C# 3 it was deemed that C#
wasn't flexible enough to implement what was needed.  They're--what I
consider--deviating from that initial vision of simplicity and breaking
their initial rules.  That's further reinforced in the C# spec with
telling comments like "...extension methods be used sparingly and only in
situations where instance methods are not feasible or possible."

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