Re: Problem with functor in g++

[Paul Pluzhnikov]

okronglis@hurco.com writes:

> I am having trouble compiling some templated code that uses functors in
> g++.  It compiles fine in VC8.

Really? I though MicroSoft cleaned up its act WRT binding non-const
references to temporaries, but apparently not.

> Any idea what I could do to make this work with g++?

Binding temporary objects to non-const references is not allowed.
You need several const qualifiers:

> class add
> {
> public:
    T& operator()(T& t1, const T& t_inc) const { ... }
...
>   template <class output_functor>
    void do_loop(const output_functor& o)
...
> struct output
> {
    void operator()(const int n) const { ... }

Cheers,
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