(C++) StdArrayExample1

 

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: ./CppStdArrayExample1/CppStdArrayExample1.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

 

 

 

 

 

./CppStdArrayExample1/main.cpp

 

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#include <array> #include <cassert> int main() {   {     const int sz = 3;     const std::array<int,sz> v { 0,1,2 };     static_assert(v.size() == sz,"Can be checked at compile time");     assert(v[0] == 0);     assert(v[1] == 1);     assert(v[2] == 2);   }   {     const int sz = 3;     const std::array<int,sz> v { 0,1 }; //Oops, forgot the third element     static_assert(v.size() == sz,"Can be checked at compile time");     assert(v[0] == 0);     assert(v[1] == 1);     assert(v[2] == 0); //Initialized to zero   }   //const std::array<int,3> x = { 0,1,2,3 }; //Does not compile: too many elements is checked in assignment }