This is the mail archive of the
mailing list for the libstdc++ project.
Re: operator and std::map
>>> Gawain Bolton writes:
> Gilbert Laycock wrote:
>> Should it be possible to use operator from std::map in a const
> No, there cannot be a const version of operator for std::map
> since, if the key passed is not already present in the map, it will
> be added with an associated value constructed using value_type's
> default constructor.
OK, that makes sense.
> What you must do is use "find()" and, if the key is present in the map,
> check the associated value.
This is what I did to get my code working.
Thanks for the swift response.
Gilbert Laycock email: gtl1 at mcs dot le dot ac dot uk
Maths and Computer Science, http://www.mcs.le.ac.uk/~glaycock
University of Leicester phone: (+44) 116 252 3902
UK GPG: 7D025C00