Question

I’m writing an application, where I want to store strings as keys ans a custom Object as value

multimap<string, owncreatedobject> mymap;

Compiling does well, but I get a “Segmentation fault” when using the function insert
during runtime.

mymap.insert(string,myobject); --> Segmentation Error

A already added a copyconstructor an assignmentfunction (which calls the copyconstructor)

any idea about the “Segmentation fault?

Answer 1

I fiddle with your problem for the last hour and I think I got it.

Try using something in the matter of this code segment:

multimap<string,yourclass const*> mymap
void addtomap(string s,yourclass const* c)
{
   mymap.insert(pair<string, yourclass const*>(s,c));
}
...`addtomap("abc",&z);

In your given example you tried to insert without an iterator. The first element for a 2 element insert call for a multimap is the iterator. That’s the reason for your segmentation fault and why one should use pair.