(C++) AutoExample1

auto example 1: basics is an auto example.

A division will only succeed if the denominator is unequal to zero. In your code, you will have to take care that a division by zero never occurs. Using assert, as shown in the code below, will take you to the problem directly.

• Download the Qt Creator project 'CppAssertExample1' (zip)

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: ./CppAutoExample1/CppAutoExample1.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 # } SOURCES += main.cpp

 

 

 

 

 

./CppAutoExample1/main.cpp

 

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#include <iostream> #include <vector> int main() {   const std::vector<int> v { 1, 2, 3 };   //auto determines the type   const auto j = v.end();   for (auto i = v.begin(); i!=j; ++i)   {     std::cout << *i << '\n';   } } /* Screen output: 1 2 3 Press <RETURN> to close this window... */