[cfe-commits] [PATCH] share code between StringRef and ArrayRef
benny.kra at googlemail.com
Thu Apr 14 05:35:08 PDT 2011
On 14.04.2011, at 09:56, Jay Foad <jay.foad at gmail.com> wrote:
> This patch removes a bit of code from StringRef by making it derive
> from ArrayRef<char>.
> Comments? OK to commit? The savings aren't huge, so I'm not
> particularly wedded to the patch.
Have you checked the compile time impact of this? StringRef.h is included everywhere and ArrayRef.h pulls in Smallvector and Vector which are both big headers. I don't think this is worth it.
> Incidentally, I didn't touch StringRef::front(), back() or
> operator(), because they return char, whereas the ArrayRef<char>
> implementations would return const char &. My C++ isn't good enough to
> work out whether that's an important difference or not.
> ArrayRef.h | 2 +-
> StringRef.h | 39 +++++++--------------------------------
> 2 files changed, 8 insertions(+), 33 deletions(-)
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