Hello, Thorsten! You wrote on Wed, 07 Jun 2006 00:58:55 +0200: TO> If you're not afraid of using the main cvs, I can update that. I use 1.33.1 and can't switch to main trunc. TO> Do you agree that for ptr_set/ptr_map the return value should be TO> single object transfer: std::pair<iterator,size_type> Why not std::pair<iterator,bool> as std::set/std::map return? TO> multi object transfer: std::pair<iterator,size_type> May be only size_type? TO> and for ptr_multiset/ptr_multimap the return value should be the same TO> too? I think for these two should be single object transfer: iterator // this operation always insert key/value pair multi object transfer: void // this operation always insert all key/value pairs With best regards, Konstantin Litvinenko.