[webkit-dev] Code Style: Opinion on returning void

Saam Barati sbarati at apple.com
Wed Feb 20 07:26:20 PST 2019


I prefer it as well.

- Saam

> On Feb 20, 2019, at 6:58 AM, Chris Dumez <cdumez at apple.com> wrote:
> 
> I also prefer allowed returning void. 
> 
> Chris Dumez
> 
>> On Feb 19, 2019, at 10:35 PM, Daniel Bates <dbates at webkit.org> wrote:
>> 
>> 
>> 
>>> On Feb 19, 2019, at 9:42 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:
>>> 
>>>> On Tue, Feb 19, 2019 at 8:59 PM Daniel Bates <dbates at webkit.org> wrote:
>>> 
>>>> > On Feb 7, 2019, at 12:47 PM, Daniel Bates <dbates at webkit.org> wrote:
>>>> >
>>>> > Hi all,
>>>> >
>>>> > Something bothers me about code like:
>>>> >
>>>> > void f();
>>>> > void g()
>>>> > {
>>>> >     if (...)
>>>> >         return f();
>>>> >     return f();
>>>> > }
>>>> >
>>>> > I prefer:
>>>> >
>>>> > void g()
>>>> > {
>>>> >     if (...) {
>>>> >         f();
>>>> >         return
>>>> >     }
>>>> >     f();
>>>> > }
>>>> >
>>>> Based on the responses it seems there is sufficient leaning to codify
>>>> the latter style.
>>> 
>>> I don't think there is a sufficient consensus as far as I can tell. Geoff
>> 
>> I didn't get this from Geoff's remark. Geoff wrote:
>> 
>> ***“return f()” when f returns void is a bit mind bending.***
>> Don't want to put words in Geoff's mouth. So, Geoff can you please confirm: for the former style, for the latter style, no strong opinion.
>> 
>>> and Alex both expressed preferences for being able to return void,
>> 
>> I got this from Alex's message
>> 
>>> and Saam pointed out that there is a lot of existing code which does this.
>> 
>> I did not get this. He wrote emphasis mine:
>> 
>> I've definitely done this in JSC. ***I don't think it's super common***, but I've also seen code in JSC not written by me that also does this.
>> 
>>> Zalan also said he does this in his layout code.
>> 
>> I did not get this, quoting, emphasis mine:
>> 
>> I use this idiom too in the layout code. I guess I just prefer a more
>> compact code.
>> ***(I don't feel too strongly about it though)***
>> 
>> By the way, you even acknowledged that "WebKit ... tend[s] to have a separate return.". So, I inferred you were okay with it. But from this email I am no longer sure what your position is. Please state it clearly.
>> 
>>> - R. Niwa
>>> 
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