100 is just a suggestion based on the Google Java Style Guide we follow on the main repo. Why the two guides aren’t more aligned I don’t know.
> On May 3, 2021, at 2:06 PM, Robert Houghton <rhough...@vmware.com> wrote: > > 80 characters also feels arbitrary, especially with auto-formatters > (clang-tidy?) of mangling some otherwise very-readable code. > > From: Blake Bender <bbl...@vmware.com> > Date: Monday, May 3, 2021 at 11:23 AM > To: dev@geode.apache.org <dev@geode.apache.org> > Subject: RE: DISCUSSION: Geode Native C++ Style and Formatting Guide > My $0.02 on these: > > Things I'd like to see us conform to Google style on: > * I'd be happy to move to C++ 17 > * Would also be happy to remove forward declarations. "I'm not a critic, but > I know what I hate," as it were, and I hate forward declarations. > * I would also be happy with an 80-character line limit, though I don't feel > strongly about it. 100 may be consistent with Geode, but it still feels > arbitrary to me. > * I would be very pleased to remove all the macros from our code. I've been > bitten more than once in the past while debugging or refactoring our code, > because of ill-formed macros. > > Google things I disagree with: > * I don't like exceptions, but I don't even want to think about the amount of > effort required to remove them from the codebase is, IMO, unreasonably high. > Keep the exceptions, most of the time they're used pretty judiciously. > * I really, really, *really* (really? Yes, really!) hate anything resembling > Hungarian prefix notation, and have permanent scars from decades of reading > it in Windows code. Please don't ask me to put a random 'k' in from of my > enums - ick. > > One other note: in the past, we've had conversations about "style only" pull > requests to fix some of these things, and the guidance we ended up with has > been to only fix this sort of thing while you're in the code working on a fix > or a feature. I, for one, would welcome some PRs that just, say, renamed a > ton of member variables to replace "m_" prefix with a simple trailing "_", > perhaps fixed some of the more egregious and weird abbreviations, etc. My > preference for bug fixes and feature work is that all of the code changes be > focused on stuff that's relevant to the fix/feature, and mixing it with > random style guide refactoring, I feel, muddies the waters for future > maintainers. > > Thanks, > > Blake > > -----Original Message----- > From: Jacob Barrett <jabarr...@vmware.com> > Sent: Saturday, May 1, 2021 9:21 AM > To: dev@geode.apache.org > Subject: Re: DISCUSSION: Geode Native C++ Style and Formatting Guide > > Great call outs! > >> On May 1, 2021, at 7:57 AM, Mario Salazar de Torres >> <mario.salazar.de.tor...@est.tech> wrote: >> >> 1. Member variables names as of Google style guide requires a '_' char to >> be added at the end so it can be identified. Should we also adopt that? >> For example, imagine you have a region mutex, so, should we name it as >> 'regionMutex_' ? > > I didn’t mention this one out in my review of differences because we are > following it but I suppose with the combination of the camelCase difference > we should probably call it out more specifically. Perhaps in our > documentation we should show examples of both local and member variables. Do > you think that will make it more clear? > >> 2. Also, I would like to point out that macros are dis-recommended but >> every C++ committee member I know. >> What do you think about adding a notice saying: "Macros should be avoided >> and only used when there is no alternative”? > > I think that is called out in various ways in a few places in the Google > guide but I am more than happy for us to include strong or clearer language > around this. Between constexpr and templates there are very cases for macros > anymore. > We mostly use macros only to handle non-standard attributes. When we move to > C++17 a lot of these will go away. > > Thanks, > Jake > >
