GNU bug report logs - #60186
29.0.60; ruby-mode indentation of multi-line expressions

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: 60186 <at> debbugs.gnu.org
Cc: aaronjensen <at> gmail.com
Subject: bug#60186: 29.0.60; ruby-mode indentation of multi-line expressions
Date: Sun, 25 Dec 2022 23:23:45 +0200

X-Debbugs-CC: aaronjensen <at> gmail.com

Splitting off from debbugs#60186.

Since this setting also seems orthogonal to the "simplified" preference, 
and it'll require some more work.

On 25/12/2022 02:12, Aaron Jensen wrote:
>> We could also discuss cases like
>>
>>     foo = bar({
>>                 tee: 1,
>>                 qux: 2
>>              })
>>
>>     baz([
>>           1,
>>           2,
>>           3
>>         ])
>>
>> but those would be an orthogonal feature. And I don't see them much in
>> the wild, for some reason.
> The same logic would apply. It doesn't matter how many indent starters
> there are in a line, the indentation should only increase by one:
> 
> 
> foo = bar({
>    tee: 1,
>    qux: 2
> })
> 
> baz([
>    1,
>    2,
>    3
> ])
> 
> Of course, that begs the question what happens if you do this:
> 
> baz([
>    1,
>    2,
>    3
> ]
> )

Here are a couple trickier examples:

takes_multi_pairs_hash(x: {
  a: 1,
  b: 2
})

and_in_a_method_call({
  no: :difference
},
foo,
bar)

AFAICT even Rubocop doesn't have a setting which would indent the second 
one somewhat reasonably, while keeping two-space indent before "no".

> And, I think again, the answer is a social one, rather than a technical one.
> 
> enh-ruby-mode and vim both do this this:
> 
> baz([
>    1,
>    2,
>    3
> ]
>     )

Yup, that looks pretty bizarre. OTOH, I don't see why a developer would 
put a newline between "]" and ")" in this case.

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