Re: std::vector::operator[] throws exception
Deane Yang wrote:
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James Kanze wrote:
Deane Yang wrote:
> I was surprised to learn recently that code like
> std::vector<int> v(3);
> v[3] = 10;
> compiled with VC++ 8.0 and the STL library that comes with it
> throws an exception when run.
> Does this conform to the official specification of std::vector?
> No exception is thrown if compiled with cygwin gcc.
I get a core dump with g++ under Linux or Solaris. At least
with debug options turned on.
First, I misspoke, and this is not so different from VC++ does. To be
precise, VC++ invokes an "invalid parameter handler", which by default
terminates the program. There is no exception thrown.
But what is different is that VC++ does this even with programs compiled
in release mode. Can someone explain to me why this is desirable default
behavior?
I'd like to turn this around and ask how you would prefer
this programming error (accessing out of bounds) to be
handled? Program termination seems a reasonable choice
to me in many circumstances.
-- James
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