How to use tr1 with Visual Studio 2010 (tr1::function)?
c++, c++11, std, tr1, visual-studio-2010
Solution
Based on your comments, and on this page, I think that Marmalade comes with it's own STL implementation, that appears out of date. This page verifies that they use a version of STLPort, that does not support the TR1 that came out in 2005, much less anything newer. Your options are:
1) Copy/write those yourself 2) Do without 3) Download a newer version of STLPort. It doesn't seem to have been updated in the last two years, so no C++11, but they do mention having `functional`, but aren't clear as to if it's in the `std` or `std::tr1` namespace. However, this might not work with Marmalade, so make backups and be careful.
Problem
How does one start using the tr1 features of Visual Studio 2010? For a more specific case, I require the std::tr1::function. I tried including `#include <tr1/functional>` which reports as missing, while `#include <functional>` includes fine, but when I set this: ``` std::tr1::function<void(void)> callback; ``` I get: ``` 1>d:\marmalade\projects\core\src\button.h(21): error C3083: 'tr1': the symbol to the left of a '::' must be a type 1>d:\marmalade\projects\core\src\button.h(21): error C2039: 'function' : is not a member of '_STL' 1>d:\marmalade\projects\core\src\button.h(21): error C2143: syntax error : missing ';' before '<' 1>d:\marmalade\projects\core\src\button.h(21): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int 1>d:\marmalade\projects\core\src\button.h(21): error C2238: unexpected token(s) preceding ';' ``` If I use boost, it works fine, but for this project, because of using a specific framework I'd require the Visual Studio tr1 version. As suggested, skipping the tr1, still returns the same result: ``` std::function<void(void)> callback; 1>d:\marmalade\projects\core\src\button.h(20): error C2039: 'function' : is not a member of '_STL' 1>d:\marmalade\projects\core\src\button.h(20): error C2143: syntax error : missing ';' before '<' 1>d:\marmalade\projects\core\src\button.h(20): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int 1>d:\marmalade\projects\core\src\button.h(20): error C2238: unexpected token(s) preceding ';' ```