problem with bind

[Leigh Johnston]

The following doesn't compile in VS2008:

#include <functional>

struct foo
{
void operator()() { }
};

int main()
{
foo o;
std::tr1::bind(o)();
}

Has this been fixed in VS2010?

/Leigh

[Jeff Flinn]

What's the error message? Do either of the inline changes below help?

Post by Leigh Johnston
#include <functional>
struct foo
{

typedef void result_type;

Post by Leigh Johnston
void operator()() { }
};
int main() {
foo o;
std::tr1::bind(o)();

std::tr1::bind<void>(o)();

Post by Leigh Johnston
}
Has this been fixed in VS2010?

Jeff

[Leigh Johnston]

Post by Jeff Flinn
What's the error message? Do either of the inline changes below help?

Post by Leigh Johnston
#include <functional>
struct foo
{

typedef void result_type;

Post by Leigh Johnston
void operator()() { }
};
int main() {
foo o;
std::tr1::bind(o)();

std::tr1::bind<void>(o)();

Post by Leigh Johnston
}
Has this been fixed in VS2010?

Jeff

Doesn't help, the problem is the operator()() is not const and for some
reason VS2008 will only consider the const version and error otherwise:

1>c:\program files (x86)\microsoft visual studio 9.0\vc\include\xxcallobj(7)
: error C3848: expression having type 'const foo' would lose some
const-volatile qualifiers in order to call 'void foo::operator ()(void)'

[David Lowndes]

Post by Leigh Johnston
#include <functional>
struct foo
{
void operator()() { }
};
int main()
{
foo o;
std::tr1::bind(o)();
}
Has this been fixed in VS2010?

It's the same with the VC2010 RC compiler.

Dave

[Leigh Johnston]

Post by David Lowndes

Post by Leigh Johnston
#include <functional>
struct foo
{
void operator()() { }
};
int main()
{
foo o;
std::tr1::bind(o)();
}
Has this been fixed in VS2010?

It's the same with the VC2010 RC compiler.
Dave

I will raise a defect on MS Connect.

/Leigh

[Leigh Johnston]

Post by David Lowndes

Post by Leigh Johnston
#include <functional>
struct foo
{
void operator()() { }
};
int main()
{
foo o;
std::tr1::bind(o)();
}
Has this been fixed in VS2010?

It's the same with the VC2010 RC compiler.
Dave

Raised as
https://connect.microsoft.com/VisualStudio/feedback/details/540098/problem-with-non-const-operator-and-bind#

Please vote.

/Leigh