===== C++11 ===== .. rubric:: oh dear, it burns Intro ===== - Approved 2011-08-12 - for some time called c++0x - references: - primarily the `wikipedia article`_ on c++11 - also `Bjarne's FAQ`_ .. _`wikipedia article`: http://en.wikipedia.org/wiki/C%2B%2B11 .. _`Bjarne's FAQ`: http://www2.research.att.com/~bs/C++0xFAQ.html initializer lists ================= - see example with/without -std=c++0x; specifically in this order: - init.cc - ilists.cc: c++03 - init_new.cc - initializer_list<> - allows constructors to take initializer lists New Loop Syntax =============== - example from int, iterator, new syntax - copy/ref type inference ============== - auto keyword - decltype new string literals =================== - u8"I'm a UTF-8 string." - u"This is a UTF-16 string." - U"This is a UTF-32 string." - R"\w+" instead of "\\w+" - doesn't seem to work with my compilers tuple fun ========= - generalization of std::pair - #include - make_tuple - tie lambdas ======= - see `c++11 anonymous funcs`_ - [capture](arguments) -> return-type {body} - capture: - [] capture nothing - [x, &y] x by value, y by reference - [&] any external variable captured by ref - [=] any external variable captured by val - [&, x] x by val, everything else by ref - [=, &x] x by ref, everything else by val .. _`c++11 anonymous funcs`: http://en.wikipedia.org/wiki/Anonymous_function#C.2B.2B regular expressions and threading ================================= - this is where the burning starts to set in ... - threading works ... mostly - compiles and runs with both compilers - run stress - regex examples - compile with gcc to see how awesome that is - compile with clang - instructions on building this found `here`_ .. _`here`: http://solarianprogrammer.com/2011/10/16/llvm-clang-libc-linux/ constexpr ========= - see example with/without -std=c++0x - see wiki for limitations - constructors of user-defined types can be declared constexpr rvalue ======= - pass-by-value is deep-copy (usually) - c++11 adds notion of "move constructor" - takes the rvalue ref's stuff and nullifies the rvalue - 'safe and invisible' (because it's null, memory is not del'd when it goes out of scope) - rvalue is automatic when using stuff with "move constructor" - std::move() Smart Pointers ==============