(C++) BoostArrayExample1

 

 

boost::array example 1 is a boost::array example.

Technical facts

 

Application type(s)

• Desktop application

Operating system(s) or programming environment(s)

• Lubuntu 15.04 (vivid)

IDE(s):

• Qt Creator 3.1.1

Project type:

• GUI application

C++ standard:

• C++11

Compiler(s):

• G++ 4.9.2

Libraries used:

• Qt: version 5.4.1 (32 bit)
• STL: GNU ISO C++ Library, version 4.9.2

 

 

 

 

 

Qt project file: ./CppBoostArrayExample1/CppBoostArrayExample1.pro

 

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exists (../../ConsoleApplication.pri) {   include(../../ConsoleApplication.pri) } !exists (../../ConsoleApplication.pri) {   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   } } exists(../../Libraries/Boost.pri) {   include(../../Libraries/Boost.pri) } !exists(../../Libraries/Boost.pri) {   win32 {     INCLUDEPATH += \       ../../Libraries/boost_1_55_0   } } SOURCES += main.cpp

 

 

 

 

 

./CppBoostArrayExample1/main.cpp

 

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#include <cassert> #include <boost/array.hpp> int main() {   //const boost::array<int,3> v = { 0,1 }; //Does compile: too few elements is not checked in assignment   //const boost::array<int,3> v = { 0,1,2,3 }; //Does not compile: too many elements is checked in assignment   //Note: at around 2013-05-01, v needed to be initialized with double braces:   //  const boost::array<int,3> v = {{ 0,1,2 }};   const boost::array<int,3> v = { 0,1,2 };   //static_assert(v.size() == 3,""); //Not allowed, v.size() is not a constexpr   assert(v.size() == 3);   assert(v[1] == 1); }