Discussion Thread: DIP 1043--Shortened Method Syntax--Community Review Round 1
Paul Backus
snarwin at gmail.com
Fri Feb 4 14:46:39 UTC 2022
On Friday, 4 February 2022 at 12:40:32 UTC, max haughton wrote:
> On Friday, 4 February 2022 at 11:21:48 UTC, Elronnd wrote:
>> It would be nice to permit something like this:
>>
>> struct Foo {
>> this(int x, string y) { ... }
>> this(string y) => this(0, y);
>> }
>>
>> Currently this fails because constructors are not allowed to
>> return anything. But that should not be part of this DIP,
>> probably.
>
> The implementation as done by Adam is done in the parser but if
> I move it down the stack a bit this is probably doable.
Please don't. Having `=> expr` be simple syntax sugar for `{
return expr; }` is consistent and easy to understand. We don't
need to add special cases just to save a *single character*:
this(string y) => this(0, y);
this(string y) { this(0, y); }
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