Re: template with STL container
On 10/4/2011 10:16 AM, softwareEngineer wrote:
Il 04/10/2011 16:01, Victor Bazarov ha scritto:
On 10/4/2011 10:00 AM, softwareEngineer wrote:
I'd like to manage a template in a STL vector container i.e. :
template <typename T>
class MY_Value
{
// ...
T GetValue ();
private :
T _val;
};
now in my main would :
std::vector <MY_Value*> v;
In order for this to compile, 'v' has to have a concrete type.
Otherwise, how should the compiler know how much memory to allocate
for it and how to initialize it?
MyValue<int> iV1 = 1;
MyValue<int> iV2 = 2;
v[0] = &iV1;
v[1] = &iV2;
but i have had a problem because (obviously) MyValue it's a template
.... ;
There is a workaround to manage a template in a standard container
(vector for example) ?
Well, is there a reason that
std::vector<MY_Value<int>*> v;
does not work for you?
V
Yes, but I need a vector of generic value (float, int, ecc.)
You didn't say that before, did you?
MyValue<int> iV1 = 1;
MyValue<float> iV2 = 2.1;
v[0] = &iV1;
v[1] = &iV2;
Check the FAQ section 34.
V
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