question about reloading assignment operator =

[John W. Eaton]

On 11-Nov-2006, wang lei wrote:

| hi all!
| 
| my ocatave is 2.9.9 on debian testing.
| 
| In make_int.cc assignment operator = is not reloaded. To reload it I add
| these sentences in make_int.cc:
| class octave_integer{
| public:
| ...
| void assign(const octave_integer& t){ scalar = t.scalar; }
| private:
| ...
| };
| 
| DEFASSIGNOP(assign, int1, int2){
| CAST_BINOP_ARGS(octave_integer&, const octave_integer&);
| cout << "assignment" << endl;
| v1.assign(v2);
| return octave_value();
| }
| 
| DEFUN_DLD(make_int, args, , " ")
| {
| static bool type_loaded = false;
| if(!type_loaded){
| ...
| INSTALL_ASSIGNOP(op_asn_eq, octave-integer, octave_integer, assign);
| ...
| }
| ...
| }
| 
| and mkoctfile and type "a=make_int(10);b=make_int(20);a=b;", but nothing
| happened. why?

You can't overload assignment operators.  Why do you think you need to
do this?

jwe