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Re: template with STL container

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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.)

MyValue<int> iV1 = 1;
MyValue<float> iV2 = 2.1;
v[0] = &iV1;
v[1] = &iV2;

_ _
Ono

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template with STL container softwareEngineer <ovNOSPAM@NOSPAMlibero.it> - 2011-10-04 16:00 +0200
  Re: template with STL container Victor Bazarov <v.bazarov@comcast.invalid> - 2011-10-04 10:01 -0400
    Re: template with STL container softwareEngineer <ovNOSPAM@NOSPAMlibero.it> - 2011-10-04 16:16 +0200
      Re: template with STL container Victor Bazarov <v.bazarov@comcast.invalid> - 2011-10-04 10:44 -0400
      Re: template with STL container Noah Roberts <roberts.noah@gmail.com> - 2011-10-04 07:48 -0700
      Re: template with STL container Juha Nieminen <nospam@thanks.invalid> - 2011-10-04 19:14 +0000
      Re: template with STL container Nobody <nobody@nowhere.com> - 2011-10-05 09:51 +0100
        Re: template with STL container Victor Bazarov <v.bazarov@comcast.invalid> - 2011-10-05 08:05 -0400
          Re: template with STL container Juha Nieminen <nospam@thanks.invalid> - 2011-10-05 15:17 +0000
        Re: template with STL container Gert-Jan de Vos <gert-jan.de.vos@onsneteindhoven.nl> - 2011-10-05 05:43 -0700
        Re: template with STL container "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-10-05 20:08 +0100
          Re: template with STL container softwareEngineer <ovNOSPAM@NOSPAMlibero.it> - 2011-10-07 10:42 +0200

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