Parenthesis around if/for/while condition is not necessary

[user1234]

On Saturday, 23 June 2018 at 08:07:23 UTC, Jacob Carlborg wrote:
> On 2018-06-23 03:27, aedt wrote:
>> for line in stdin.lines() {}
>>
>> if condition {}
>>
>> while condition {}
>>
>> for init; condition; op {}
>>
>>
>> What's the rationale of keeping the requirement that the 
>> condition of
>> if/for/while must be wrapped with a parenthesis (other than 
>> keeping
>> parser simple)? Modern languages have already dropped this 
>> requirement
>> (i.e. Rust, Nim) and I don't see any reason not to do so.
>
> For the parentheses to be optional I think the curly brace need 
> to be mandatory, or perhaps force a newline after the 
> condition. I don't see how this would be any better. You're 
> trading one set of required punctuational characters for 
> another set. This would also take D one step further away from 
> the C family of languages.

I wouldn't like the new line constraint. Forcing Curly braces is 
nice, logic and natural imo.