Re: shared_ptr in Error class

Posted by Luigi Ballabio on Apr 09, 2011; 11:23am
URL: http://quantlib.414.s1.nabble.com/shared-ptr-in-Error-class-tp13384p13385.html


On Apr 9, 2011, at 11:16 AM, Kakhkhor Abdijalilov wrote:

> Any particular reason to use boost:shared_ptr to store the error
> message. Just curious.

It was to avoid copying strings when exceptions are passed.  Not for  
performance reasons, but rather to make it less likely that copying an  
exception raises another one.  It would not be likely, but it cost  
little to use the pointer instead.

Luigi


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