Tagged Questions
0
votes
1answer
24 views
Binding with boost works while with std doesnt, whats the diffrence?
I tried to bind a function with std::bind, it kept saying that there is no overload for my set of arguments. It worked with boost::bind. Whats the diffrence between std and boost bind?
Im using:
...
1
vote
1answer
44 views
How to avoid boost::phoenix when generating with boost::spirit::karma
I'm a victim of error "LNK1179: invalid or corrupt file: duplicate COMDAT"
and these sources lead me to believe that by not using phoenix I could avoid this error.
(This is a follow-up to my ...
1
vote
0answers
43 views
What is a clean way to represent a bind in a uml diagram?
I would like to represent the following code using a UML diagram:
#include <iostream>
#include <boost/bind.hpp>
using namespace std;
class A {
public:
void bar() {std::cout << ...
1
vote
1answer
57 views
Boost binding error in completion handler
I encountered an binding error
/usr/local/include/boost/bind/bind.hpp:457: error: invalid use of void expression
My program is about an asynchronous action using a callback handler as following:
...
2
votes
1answer
29 views
Boost undefined reference error with boost::bind overloaded operators
The code in question:
boost::function<bool()> isSpecialWeapon = boost::bind(&WeaponBase::GetType,this) == WeaponType::SPECIAL_WEAPON;
The error I get is something like so:
undefined ...
0
votes
1answer
44 views
Encapsulating boost::signal and boost::bind
I have a problem now. I am trying to encapsulatie boost::signal and boost::bind into my own Event class.
class MyEvent
{
private:
boost::signal<void ()> Sig;
public:
void ...
1
vote
2answers
61 views
Boost::Bind and virtual function overloads: why do they work?
I wrote some code and got scared that it will not work - so I wrote a prototype:
#include <boost/function.hpp>
#include <boost/bind.hpp>
#include <iostream>
class base {
private:
...
1
vote
2answers
76 views
How can I resolve ambiguity of boost::signals2's slot_type and boost::bind, and why is it even ambiguous?
Considering this example:
#include <boost/signals2/signal.hpp>
#include <boost/bind.hpp>
typedef boost::signals2::signal< void ( double ) > DoubleSignalType;
typedef ...
0
votes
1answer
91 views
boost::bind implicit conversion to boost::function or function pointer
I'm using boost::function like this:
template<class T1>
void run(boost::function<void (T1)> func, string arg)
{
T1 p1 = parse<T1>(arg);
func(p1);
}
When used like this, ...
0
votes
1answer
40 views
What's the use of asio::placeholder::error
The asio library passes an error parameter in a lot of its examples, ie;
http://think-async.com/Asio/asio-1.5.3/src/examples/echo/async_tcp_echo_server.cpp
What's the point of this parameter? Does ...
0
votes
1answer
68 views
Generic function bind() with Boost
I have some C-style functions that return 0 to indicate success, and != 0 on error.
I'd like to "wrap" them into void functions that throw instead of returning a value.
I have written this helper:
...
2
votes
2answers
51 views
How to copy with member access using boost
I have a container of As with
struct A { int f(); }
The container offers iterators and we can for this example assume it's an std::vector. So:
std::vector<A> As;
Now I want to copy the ...
0
votes
1answer
72 views
How do I use tr1 function and bind for functions with changing parameters?
I'm currently going from C# to C++ and rewriting some game engine code and I think I'm at a wall with tr1; Essentially what I want to do is have an input layer take input from the touchscreen and then ...
1
vote
2answers
140 views
Passing function pointer arguments with boost
Can the following function pointer passing be simplified/improved with the use of boost::function and/or boost::bind?
void PassPtr(int (*pt2Func)(float, std::string, std::string))
{
int result = ...
0
votes
2answers
125 views
How to pass signal callbacks (using boost::bind)
I'm writing a wrapper for boost::signals2::signal to get a cleaner, more easy to use interface. Here's what I've come up with:
#include <boost/signals2.hpp>
// Wrapper class template for ...
