Re: template specialization
On Sep 13, 5:51 pm, Konstantin <klk...@panix.com> wrote:
I have two possible implementations of my class:
template <typename T>
class MyContainer
{
public:
typedef typename std::set<T>::const_iterator const_iterator;
void add( T id ) { data.insert(id); }
void remove( T id ) { data.erase(id); }
private:
std::set<T> data;
};
template <typename T>
class MyContainer
{
public:
typedef typename std::list<T>::const_iterator const_iterator;
void add( T id ) { data.push_back(id); }
void remove( T id ) { data.remove(id); }
private:
std::list<T> data;
};
which suggests that another parameter in the template could be added.
How to specialize the template correctly so that I could, for example, sw=
itch the underlying container:
It's not clear what your problem is. If you want to write container
adaptors, try looking at some examples of those in the standard
library for example, std::priority_queue<>. You would need an extra
template parameter for the container to choose as you rightly
observerd. But I am not sure what specialization you are asking of?
Are you saying your template should be instantiable only on std::set
and std::list?
typedef MyContainer<InstanceID, set>::const_iterator mycontainer_iterator=
;
MyContainer<InstanceID, set> mycontainer;
or
typedef MyContainer<InstanceID, list>::const_iterator mycontainer_iterato=
r;
MyContainer<InstanceID, list> mycontainer;
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