[LLVMdev] RFC: variable names

Chris Lattner clattner at apple.com
Mon Oct 13 15:21:23 PDT 2014

On Oct 13, 2014, at 3:04 PM, Nick Kledzik <kledzik at apple.com> wrote:
> I’d like to discuss revising the LLVM coding conventions to change the naming of variables to start with a lowercase letter.  This should not be a discussion on the pain of such a transition, or how to get from here to there, but rather, if there is a better place to be.  
> 5. Momentum only.  When I’ve talked with various contributors privately, I have found no one who says they likes capitalized variables.  It seems like everyone thinks the conventions are carved in stone…  

Personally, I think that lower case local variables are the way to go.  I could see it either way for instance variables, but being lower case is consistent.


> My proposal is that we modify the LLVM Coding Conventions to have variable names start with a lowercase letter.  
> Index: CodingStandards.rst
> ===================================================================
> --- CodingStandards.rst	(revision 219065)
> +++ CodingStandards.rst	(working copy)
> @@ -1073,8 +1073,8 @@
>    nouns and start with an upper-case letter (e.g. ``TextFileReader``).
>  * **Variable names** should be nouns (as they represent state).  The name should
> -  be camel case, and start with an upper case letter (e.g. ``Leader`` or
> -  ``Boats``).
> +  be camel case, and start with a lower case letter (e.g. ``leader`` or
> +  ``boats``).
>  * **Function names** should be verb phrases (as they represent actions), and
>    command-like function should be imperative.  The name should be camel case,
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