Re: [boost] [shared_ptr] Detect shared_ptr argument at compile time

Subject: Re: [boost] [shared_ptr] Detect shared_ptr argument at compile time
From: Thomas Heller (thom.heller_at_[hidden])
Date: 2010-08-13 10:30:06

Ralf Globisch wrote:

> Hi,
> I'm not sure if this is the correct mailing list for this question:
> 
> Is there a way to determine if a template parameters is of type
> boost::shared_ptr at compile time?
> 
> I would like to do something like:
> 
> template<class A>
> void doSomething( const A& a)
> {
>    // if "a" is of type boost::shared_ptr<SomeType>
>    a->someMethod();
>    // else
>    a.someMethod();
> }
> 
> Is this possible at all?

Yes it is:

template <typename A>
void doSomething(A const& a)
{
   a.someMethod();
}

template <typename A>
void doSomething(shared_ptr<A> a)
{
   a->someMethod();
}

> Regards,
> Ralf