Re: [Boost-users] [function] Boost.Function won't compile under Borland DevStudio 2006

13 Apr 2010

      Ok, here's simpler code that demonstrates the same problem:

#include 
#include 

void FooBar(boost::function0<void> callback) {
  callback();
}

void CallbackImpl() {
  cout << "Called back ok\n";
}

int main(int argc, char* argv[])
{
  FooBar(CallbackImpl);
  return 0;
}

I'm stuck with Builder because we already have a major system built with 
it (don't look at me, it was coded by Mechanical and Automation 
Engeneers, I was hired later to deal with it, so you can guess the size 
of my problem). I plan on porting it to Visual Studio, but finding the 
time and resources to do that is probably years away. And I probably 
won't be here by then.

OvermindDL1 escreveu:
...
2010/4/9 Fábio 'Petrucio' Stange :
...
I've just recently learned about boost::function when reading Effective C++,
and I was thrilled about it.
This is the simple code I'm trying to implement:
typedef boost::function1
ObjectDoneCallback;
void SomeFunction(ObjectDoneCallback callback, ...) {
 // Some code
 callback(...);
}
When trying to compile it under C++ Builder 2006 (I have no other choice but
to use this in the current project), I get the following error:
[C++ Error] function_template.hpp(904): E2131 Objects of type
'detail::function::basic_vtable1' cannot
be initialized with { }
On this line in function_template.hpp:
    static vtable_type stored_vtable =
      { { &manager_type::manage }, &invoker_type::invoke };
Can I circumvent this somehow to make it compile under my environment?
Two things.
First, it is best to give is a complete, but simplified example that
demonstrates the problem.
Second, the Borland builder has lots of issue, and that is putting it
mildly.  Why are you stuck with it?
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