(C++) BoostFunctionExample1

 

Boost.Function example 1 is a Boost.Function example.

Technical facts

 

Operating system(s) or programming environment(s)

• Lubuntu 15.04 (vivid)

IDE(s):

• Qt Creator 3.1.1

Project type:

• Console application

C++ standard:

• C++98

Compiler(s):

• G++ 4.9.2

Libraries used:

• STL: GNU ISO C++ Library, version 4.9.2

 

 

 

 

 

Qt project file: ./CppBoostFunctionExample1/CppBoostFunctionExample1.pro

 

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include(../../ConsoleApplication.pri) #Or use the code below # QT += core # QT += gui # greaterThan(QT_MAJOR_VERSION, 4): QT += widgets # CONFIG   += console # CONFIG   -= app_bundle # TEMPLATE = app # CONFIG(release, debug|release) { #   DEFINES += NDEBUG NTRACE_BILDERBIKKEL # } # QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++ # unix { #   QMAKE_CXXFLAGS += -Werror # } include(../../Libraries/Boost.pri) #Or use the code below # win32 { #   INCLUDEPATH += \ #     ../../Libraries/boost_1_54_0 # } SOURCES += main.cpp

 

 

 

 

 

./CppBoostFunctionExample1/main.cpp

 

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#include <algorithm> #include <iostream> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <boost/foreach.hpp> #include <boost/function.hpp> #pragma GCC diagnostic pop int f1(const int i) { return i + 1; } int f2(const int i) { return i + 2; } int f3(const int i) { return i + 3; } int main() {   std::vector<boost::function<int(const int)> > v;   v.push_back(f1);   v.push_back(f2);   v.push_back(f3);   std::random_shuffle(v.begin(),v.end());   int x = 0;   BOOST_FOREACH(const boost::function<int(const int)>& f,v)   {     x = f(x);     std::cout << x << '\n';   } } /* Possible screen output: 1 4 6 Press <RETURN> to close this window... */