C++11: Beware unnecessary copies with auto
authorDuncan P. N. Exon Smith <dexonsmith@apple.com>
Mon, 3 Mar 2014 16:48:47 +0000 (16:48 +0000)
committerDuncan P. N. Exon Smith <dexonsmith@apple.com>
Mon, 3 Mar 2014 16:48:47 +0000 (16:48 +0000)
commit59a451775954483bc4db825d8f9eb660b7c96a06
tree9c981e623dfbeb106f0e574cb4d573b30bca4fc5
parent653638bea4c05fa3d68378d38a5feba60096287e
C++11: Beware unnecessary copies with auto

It's easy to copy unintentionally when using 'auto', particularly inside
range-based for loops.  Best practise is to use 'const&' unless there's
a good reason not to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202729 91177308-0d34-0410-b5e6-96231b3b80d8
docs/CodingStandards.rst