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: ./CppStdArrayExample2/CppStdArrayExample2.pro


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

./CppStdArrayExample2/main.cpp


#include <array>

#include <cassert>



struct Data

{

  //Data() : m_v{    } {} //Not allowed

  Data() : m_v{ {} } {} //Allowed, implicit initialization with zeroes

  //Data() : m_v{ {0,0,0,0,0,0,0} } {} //Allowed, explicit initialization with zeroes

  //Data() : m_v{0,0,0,0,0,0,0} {} //Not allowed

  const std::array<int,7> m_v;

};



int main()

{

  Data d;

  for (int i=0; i!=7; ++i) { assert(d.m_v[i] == 0); }

}

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(C++) StdArrayExample2

Technical facts

Qt project file: ./CppStdArrayExample2/CppStdArrayExample2.pro

./CppStdArrayExample2/main.cpp