109 lines
2.4 KiB
ReStructuredText
109 lines
2.4 KiB
ReStructuredText
=====
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C++11
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=====
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.. rubric:: oh dear, it burns
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Intro
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=====
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- Approved 2011-08-12
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- for some time called c++0x
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- references:
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- primarily the `wikipedia article`_ on c++11
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- also `Bjarne's FAQ`_
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.. _`wikipedia article`: http://en.wikipedia.org/wiki/C%2B%2B11
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.. _`Bjarne's FAQ`: http://www2.research.att.com/~bs/C++0xFAQ.html
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initializer lists
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=================
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- see example with/without -std=c++0x; specifically in this order:
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- init.cc
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- ilists.cc: c++03
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- init_new.cc
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- initializer_list<>
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- allows constructors to take initializer lists
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New Loop Syntax
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===============
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- example from int, iterator, new syntax
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- copy/ref
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type inference
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==============
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- auto keyword
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- decltype
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new string literals
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===================
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- u8"I'm a UTF-8 string."
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- u"This is a UTF-16 string."
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- U"This is a UTF-32 string."
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- R"\w+" instead of "\\w+"
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- doesn't seem to work with my compilers
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tuple fun
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=========
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- generalization of std::pair
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- #include <tuple>
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- make_tuple
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- tie
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lambdas
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=======
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- see `c++11 anonymous funcs`_
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- [capture](arguments) -> return-type {body}
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- capture:
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- [] capture nothing
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- [x, &y] x by value, y by reference
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- [&] any external variable captured by ref
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- [=] any external variable captured by val
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- [&, x] x by val, everything else by ref
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- [=, &x] x by ref, everything else by val
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.. _`c++11 anonymous funcs`: http://en.wikipedia.org/wiki/Anonymous_function#C.2B.2B
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regular expressions and threading
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=================================
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- this is where the burning starts to set in ...
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- threading works ... mostly
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- `great quote`_
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- compiles and runs with both compilers
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- run stress
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- regex examples
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- compile with gcc to see how awesome that is
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- compile with clang
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- instructions on building this found `here`_
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.. _`here`: http://solarianprogrammer.com/2011/10/16/llvm-clang-libc-linux/
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.. _`great quote`: https://twitter.com/nedbat/status/194452404794691584
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constexpr
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=========
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- see example with/without -std=c++0x
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- see wiki for limitations
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- constructors of user-defined types can be declared constexpr
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rvalue
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=======
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- pass-by-value is deep-copy (usually)
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- c++11 adds notion of "move constructor"
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- takes the rvalue ref's stuff and nullifies the rvalue
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- 'safe and invisible' (because it's null, memory is not del'd when it goes
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out of scope)
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- rvalue is automatic when using stuff with "move constructor"
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- std::move<T>()
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Smart Pointers
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==============
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