Re: [Boost-users] [ptr_container] ptr_multimap insert and transfer functions

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2006-06-01 12:49:17

Konstantin Litvinenko wrote:
> Hello, All!
> 
>     I have a couple of questions about ptr_container library. Specificaly 
> 
> 1) Why ptr_multimap_adapter::insert has non const key_type argument?

This is due to exception-safety concerns.

If the construction of the key can throw, the heap allocated object can 
throw.

> 2) Why ptr_multimap_adapter::transfer( iterator object, ptr_multimap_adapter& from ) has void return type instead of iterator? 

Why do you think it should return an iterator?

-Thorsten