From: Manfred Doudar (manfred.doudar_at_[hidden])
Date: 2006-08-10 01:41:43
Replying to my own post here, apologies all, what was I thinking ::_1 is
just a place holder.
However, I'd much like to achieve something along similar lines .. all
help appreciated.
--
Manfred
Manfred Doudar wrote:
>
>
> Hello all:
>
> Hoping someone might help with a simple problem; how I might call a
> member on a boost::bind placeholder, see below ...
>
>
> #include <list>
>
> class Xtype
> {
> public:
>
> Xtype(int v)
> : value_(v)
> {
> }
>
> int the_value() const
> {
> return this->value_;
> }
>
> private:
>
> int value_;
> };
>
>
>
> template <typename Predicate>
> class Excise
> {
> public:
>
> void operator()(std::list<Xtype>& li) const
> {
> li.remove_if(boost::bind(Predicate(), ::_1, 10));
> }
> };
>
>
>
> ... what I really want is something more like [, note the call of
> Xtype::this_value() ]:
>
>
> void operator()(std::list<Xtype>& li) const
> {
> li.remove_if(boost::bind(Predicate(), ::_1.the_value(), 10));
> }
>
>
> But how do I achieve that (, if at all possible); as seemingly
> ::_1.the_value() is illegal/invalid code ?
>
>
> Thanks in advance,