Parenthesis around if/for/while condition is not necessary

[Basile B.]

On Sunday, 24 June 2018 at 23:08:15 UTC, aliak wrote:
> On Sunday, 24 June 2018 at 11:27:12 UTC, Basile B. wrote:
>> On Saturday, 23 June 2018 at 06:24:29 UTC, Basile B. wrote:
>>> On Saturday, 23 June 2018 at 06:18:53 UTC, user1234 wrote:
>>>> On Saturday, 23 June 2018 at 05:09:13 UTC, aedt wrote:
>>>>> On Saturday, 23 June 2018 at 04:45:07 UTC, user1234 wrote:
>>>>>> [...]
>>>>>
>>>>> Same thing as the following"
>>>>> return a && b;
>>>>>
>>>>> I'm not saying to drop parens completely, I'm saying why is 
>>>>> it not optional. D seems to have no problem with 
>>>>> x.to!string or std.lines
>>>>
>>>> I agree that this would be in adequation with certain stuff 
>>>> of the D syntax, such as parens-less single template 
>>>> parameter. Someone has to make a DIP for this
>>>
>>> Maybe but this is a simple parser thing. For example after 
>>> reading the discussion here i have tested the idea in my toy 
>>> programming language 
>>> (https://github.com/BBasile/styx/commit/83c96d8a789aa82f9bed254ab342ffc4aed4fd88) and i believe that for D this would be as simple ( < 20 SLOC, w/o the tests).
>>>
>>>> otherwise we're good for one of this sterile NG discussion 
>>>> leading to nothing, i.e intellectual mast... well guess the 
>>>> word.
>>>
>>> I'm tempted to try this in DMDFE. Change is simple enough so 
>>> that if it get rejected no much time is lost.
>>
>> FYI this works fine, as expected it's just some small parser 
>> changes.
>> I didn't touch to for and foreach for now. I think that 
>> SwitchStatement is a candidate too.
>>
>> https://github.com/BBasile/dmd/commit/5455a65c8fdee5a6d198782d1f168906b59e6d3d
>>
>> However note that there's a nice thing with the phobos style 
>> that won't be that nice anymore:
>>
>> if (condition)
>>     action();
>> ----^
>>
>> if condition)
>>     action();
>> ---^
>> ----^
>>
>> It's not nicely aligned anymore !
>
> Wow nice, that was quick, would it be much more to make it so 
> that braces are required with if statements that do not start 
> with an open paren?

It's in the commit.