Poll: Would you like to try const-by-default or not?

kris foo at bar.com
Tue Jun 12 10:34:33 PDT 2007


Jarrett Billingsley wrote:
> This is not a discussion thread.  I think we've discussed enough.  :)
> 
> Basically there are these possible const implementations (there are others, 
> but for the sake of simplicitly, I'll keep this poll to 2):
> 
> 1) C++ style const, where you mark anything that should be const as such.
> 
> 2) Parameters are const-by-default, and must be marked mutable otherwise. 
> Locals, fields etc. are still mutable by default.
> 
> Walter doesn't want to stray from option 1, because 2 is basically "too 
> weird."
> 
> Please reply with your choice, and maybe a small explanation of why.
> 
> I'll start this off by saying I'm definitely willing to try option 2.  I 
> never really learned const-correctness in C++ because it looked so damned 
> awful.  Option 2 makes more sense to me. 


++ for option 2

It's worth trying at least? Tango is an extensive library, and would 
perhaps be a good proving ground for whether option 2 works well or not?

Would take perhaps a day or less to convert all of Tango + Mango for 
experimental purposes? I'd jump at the chance to try it :)



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