Hi All, I'm trying to implement a function that allows me to make a call like this // veca is a vector of tuples in my case columnViewOfTuple<0>(veca); I implemented such function as follows template<int N> struct myfunction { template<typename T, typename R> std::vector<R> operator() (T& container) { std::vector<...
I'm trying to implement a function that allows me to make a call like this // vec5 is a vector of tuples in my case // some code that to declare and fill vec5 columnViewOfTuple<0>(vec5); I implemented such function as follows template<int N> struct myfunction { template<typename T, typename R> std::vector<R> opera...
hi i am using localhost wamp server and i want to add smarty to it how can i do that and is there any tutorial or ebook i should start with thanks ...
As i understood, template value need to be known in compilation time. so i write a little example just to see that i get it, but apperantly i didn't. so i get this: `defValue' cannot appear in a constant- expression can anyone please what is the problem and how it can be fixed? #include <iostream> template <class T,T defaultVal, int...
I'm looking for a Joomla or Drupal software product site theme(preferably Drupal and free)? I have no problem if the theme needs some css hacking. Any suggestions? Thanks ...
Why compiler cannot specialize this function and is there a way to force him to do so? The error I'm getting: Error 1 error C2893: Failed to specialize function template ''unknown-type' Ternary::check(bool,Left,Right)' #include "stdafx.h" #include <iostream> #include <string> using std::cout; using std::string; template<int v> stru...
Hello, I've some problem with using templates: myclass.h #ifndef MYCLASS_H #define MYCLASS_H class myclass { private: public: ~myclass(); myclass(); template<class S> void login(S login, S pass); }; #endif // MYCLASS_H myclass.cpp #include "myclass.h" #include "../additional_func.h" // for connect(QString,QS...
Is it possible to return type of an object? For example I would like to have construct like this: //pseudocode template<class T> void f(int value) { //depends on type T different action can be taken } template<class T> type getType(T obj) { return (type of obj); } and then in main: f<getType(Object)>(value); ...
template <typename T> void foo(int i) { //nothing inside } int main() { foo(5); //fails foo<int>(5); //works } Why does foo(5) fail but foo< int >(5) work? ...
Possible Duplicate: Why can templates only be implemented in the header file? hello everyone I've just read that if I write some template I must write all code in header file (including constructor, desctructors...), but I can't understand why, can somebody please explain? ...
I get no matching member function error when i try to compile this code on my mingw32 compiler #include <iostream> using std::cout; template <class T> class Pattern { public: Pattern(): element(){ cout<< "default c-tor"; } Pattern(Pattern ©): element(copy.element){ cout<< "copy c-tor"; } ...
Hi, I have a template class that I m trying to explicitly instantiate: template<T> struct tmat2x3 { ... typedef tvec3<T> col_type; .. }; the operator is declared as follows: template <typename T> typename tmat2x3<T>::row_type operator* (tmat2x4<T> const & m, typename tmat2x3<T>::col_type const & v); I am explicitly instantiating t...
In one of my wordpress templates, the content code seems to keep the subpage menu from displaying in the sidebar. When ever I remove all code from the content div, the subpage menu appears as expected. Could anyone point out where the code goes wrong? Any help would be greatly appreciated! <div id="content"> <div class="page...
Hello, I am working on e-mail template Code is something like this : <table width="702" cellpadding="0" cellspacing="0" align="center" id="template"> <tr> <td align="left" valign="top"> <img src="/email/new/top_bar.png" width="702" height="11" alt="" border="0"> <img src="/email/new/bottom_bar.png" width="702" height="11" alt="" bord...
My code is as follows template <typename T> class name { public: name() : h_(0){} template <typename U> operator name<U>() { name<U> u; u.h_ = h_; return u; } private: int h_; }; int main(void) { name<int> a; name<double> b = a; return 0; } The error that I get is int name...
Purpose and craziness aside, is there a way to achieve this in C++? template <typename P> void Q void_cast(P Q *p) const { return static_cast<P Q *>(p); } I'm effectively trying to cast a pointer to a void pointer type whilst keeping any const, restrict and other qualifiers (denoted by Q). I was under the impression there was stu...
if i have a template function: template<class T, class S> void foo(T t, S s){..//do something//} and then, inside the main i do this: string str = "something"; char* ch = "somthingelse"; double num = 1.5; foo(ch, num); foo(num, ch); foo(str, num); .. my question is in the compilation what code will be written at the executable? is ...
I found myself repeat on the same structure over and over again in all new projects. Is there a tool that I can use to create my own initial template? ...
Hmm... Title is a bit of a mouthful, but I'm really not sure which part of this is causing issues, I've run through it a ton of times, and can't pinpoint why... The idea is for a single Choice instance to be able to store any one value of any of the types passed in to it's template list... It's kind of like a union, except it keeps trac...
I am a "C" programmer that knows just the tiniest bits of C++. I am having a look at some open source C++ code trying to understand some things that it is doing. I can work out most of it but sometimes there is syntax I don't recognise and I'd like to be able to "look up" the meaning of the syntax so I can read just enough to understand ...