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On 01/04/2013 08:53 AM, Noel Grandin wrote:

Why are we catching std::bad_alloc all over the place?

     git grep 'catch.*bad_alloc' | wc -l
     68

Surely we should just let it crash?
Or have a single handler for the whole process that at least attempts to
provide some debugging data?

I agree that "no memory" is a kind of thing that could not allow to take proper reactions (in which case the whole system would be unusable), but when possible I think that an error message of any kind (together with debugging data) would at least make the user feel that the developers and the program are trying their best to offer a good and safe experience and careful data handling, making her more willing to provide useful information to fix the problem. If a program just crash, a possible user reaction could be "why should I use it?". This is especially true if there are alternatives.

Cheers
Matteo

At the moment, most of them just log something and then continues, which
strikes me as counter-productive.


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