clear() and UFCS

Jonathan M Davis jmdavisProg at gmx.com
Tue May 29 23:43:38 PDT 2012


On Friday, May 25, 2012 15:04:16 Alex Rønne Petersen wrote:
> So I was writing a container class and in some test code, I called
> container.clear(). Reasonable enough, right? Hell, it even compiled!
> 
> Turns out, my program completely broke at runtime. Apparently, I'd
> forgotten to implement clear() on my container class, and
> *object.clear() was being called instead*.
> 
> I don't blame UFCS for this. It just happened to be the reason this
> compiled at all. But, what I do think is: clear is the *ABSOLUTELY MOST
> HORRIBLE NAME EVER* for a function that actually finalizes and zeroes an
> object. Did it not seem obvious to call it, I don't know, *finalize*?
> And even ignoring the naming, having a symbol called clear in the
> 'global' namespace is absolute insanity.
> 
> Am I the only person with this opinion?

https://github.com/D-Programming-Language/druntime/pull/231


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