[webkit-dev] [Styling] () for a lambda without arguments (Was Space between [] and () in C++ lambdas)

[Antti Koivisto]

On Sat, Nov 2, 2019 at 1:38 AM Ryosuke Niwa <rniwa at webkit.org> wrote:

> On Fri, Nov 1, 2019 at 11:53 AM Michael Catanzaro <mcatanzaro at gnome.org>
> wrote:
>
>> On Fri, Nov 1, 2019 at 11:19 am, Ryosuke Niwa <rniwa at webkit.org> wrote:
>> > Namely, some people write a lambda as:
>> > auto x = [] () { }
>> >
>> > with a space between [] and () while others would write it as:
>> >
>> > auto x = []() { }
>>
>> ��: I omit the () when there are no parameters, as in these examples.
>>
>
> I guess that's another thing we should decide. Should we, or should we not
> have () when there are no arguments.
>

I think this is easily settled by voting via exiting practice. We have 1287
instances of [&] { and 107 instances of [&]() { and &] () { across the
whole WebKit.


   antti


>
> I think we usually err on the side of more concise form but I do prefer
> having () so that it's clear it's a function. Otherwise, it can look like a
> code block start & end.
>
> - R. Niwa
>
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