Making `object.opEquals' replaceable

[ketmar via Digitalmars-d]

On Fri, 08 May 2015 16:59:59 +0000, Manfred Nowak wrote:

> Jonathan M Davis wrote:
> 
>> And why not just use another function instead of opEquals for what you
>> want?
> 
> Because the local `opEquals' _is_ the overload-function for `==' and
> `!='.
> 
> I guess that your "another function"-opinion holds for every form of
> overloading.
> 
> -manfred

i'd be VERY surprised if `==` or `!=` does any mutation. and i (like most 
programmers) don't like such surprises in code.
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