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: ./CppStdTupleExample1/CppStdTupleExample1.pro


include(../../ConsoleApplication.pri) #Or use the code below

# QT += core

# QT += gui

# CONFIG   += console

# CONFIG   -= app_bundle

# TEMPLATE = app

# CONFIG(release, debug|release) {

#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL

# }

# QMAKE_CXXFLAGS += -std=c++1y -Wall -Wextra -Weffc++

# unix {

#   QMAKE_CXXFLAGS += -Werror

# }



SOURCES += main.cpp

./CppStdTupleExample1/main.cpp


#include <cassert>

#include <string>

#include <tuple>

#include <typeinfo>



int main()

{

  typedef std::tuple<int,double,std::string> Tuple;



  static_assert(std::tuple_size<Tuple>::value == 3,"Tuple has size 3");

  static_assert(std::is_same<std::tuple_element<0,Tuple>::type,int>(),"First element is int");

  static_assert(std::is_same<std::tuple_element<1,Tuple>::type,double>(),"Second element is double");

  static_assert(std::is_same<std::tuple_element<2,Tuple>::type,std::string>(),"Third element is std::string");



  Tuple t = std::make_tuple(123,3.14159,"Bilderbikkel");





  const int x1 = std::get<0>(t);

  const double x2 = std::get<1>(t);

  const std::string x3 = std::get<2>(t);



  std::get<0>(t) = x1 + 1;

  std::get<1>(t) = x2 + 1.0;

  std::get<2>(t) = x3 + " was here";



  assert(std::get<0>(t) == 124);

  assert(std::get<1>(t) == 4.14159);

  assert(std::get<2>(t) == "Bilderbikkel was here");



}

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(C++) StdTupleExample1

Technical facts

Qt project file: ./CppStdTupleExample1/CppStdTupleExample1.pro

./CppStdTupleExample1/main.cpp