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digitalmars.D - Default function parameters of other function parameters

reply Your name <email example.com> writes:
I think it would be nice if default function parameters could be 
defined as other parameters to the function, like this:
========CODE========
class Rectangle
{
     int width;
     int height;

     this(int initialWidth, int initialHeight = initialWidth) {
         width = initialWidth;
         height = initialHeight;
     }
}

void main()
{
     import std.stdio;
     auto myRectangle = new Rectangle(5, 17);
     auto mySquare = new Rectangle(5);//pass only one parameter to 
make a square
}
========END OF CODE===

Side note: Am I missing something, or is there no code snippets 
on these forums? `backticks` don't do anything. Being a forum 
about a programming language, there should really be a way to 
embed snippets of code 😆!
Oct 30 2018
parent reply Adam D. Ruppe <destructionator gmail.com> writes:
On Tuesday, 30 October 2018 at 21:54:11 UTC, Your name wrote:

 I think it would be nice if default function parameters could 
 be defined as other parameters to the function, like this:


You can't do that, but you can do

this(int initialWidth, int initialHeight) {
   width = initialWidth;
   height = initialHeight;
}
this(int initialWidth) {
   this(initialWidth, initialWidth);
}


and it isn't a huge amount of code to add and forward and quite 
flexible in various options.


 there should really be a way to embed snippets of code 😆!


You just type it up lol we can all read it.
Oct 30 2018
parent reply Your name <email example.com> writes:
On Wednesday, 31 October 2018 at 01:51:38 UTC, Adam D. Ruppe 
wrote:

 You just type it up lol we can all read it.


Are these forums open source? I think i'll add it myself.
Oct 30 2018
next sibling parent Seb <seb wilzba.ch> writes:
On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name wrote:

 On Wednesday, 31 October 2018 at 01:51:38 UTC, Adam D. Ruppe 
 wrote:

 You just type it up lol we can all read it.


 Are these forums open source? I think i'll add it myself.


https://github.com/CyberShadow/DFeed
Oct 30 2018
prev sibling parent reply bachmeier <no spam.net> writes:
On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name wrote:

 On Wednesday, 31 October 2018 at 01:51:38 UTC, Adam D. Ruppe 
 wrote:

 You just type it up lol we can all read it.


 Are these forums open source? I think i'll add it myself.


Just so you know, this isn't a traditional forum, it's a web 
interface to the mailing list. Therefore I don't think it will be 
accepted.
Oct 31 2018
parent reply Bastiaan Veelo <Bastiaan Veelo.net> writes:
On Wednesday, 31 October 2018 at 13:09:05 UTC, bachmeier wrote:

 On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name wrote:

 Are these forums open source? I think i'll add it myself.


 Just so you know, this isn't a traditional forum, it's a web 
 interface to the mailing list. Therefore I don't think it will 
 be accepted.


Why wouldn’t it be accepted? It’s just markup. People read back 
ticks in their code all the time, so it’s no problem to read it 
in mail. The forum can decide to format it however it likes, 
maybe even make code snippets runnable.
Oct 31 2018
next sibling parent reply bachmeier <no spam.net> writes:
On Thursday, 1 November 2018 at 06:55:02 UTC, Bastiaan Veelo 
wrote:

 On Wednesday, 31 October 2018 at 13:09:05 UTC, bachmeier wrote:

 On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name wrote:

 Are these forums open source? I think i'll add it myself.


 Just so you know, this isn't a traditional forum, it's a web 
 interface to the mailing list. Therefore I don't think it will 
 be accepted.


 Why wouldn’t it be accepted? It’s just markup. People read back 
 ticks in their code all the time, so it’s no problem to read it 
 in mail. The forum can decide to format it however it likes, 
 maybe even make code snippets runnable.


I'm not saying I'm opposed, just that my impression from previous 
discussions is that there is a preference to keep things as plain 
text, and I don't want someone spending time on something that 
doesn't go anywhere.
Nov 01 2018
next sibling parent Bastiaan Veelo <Bastiaan Veelo.net> writes:
On Thursday, 1 November 2018 at 10:33:14 UTC, bachmeier wrote:

 On Thursday, 1 November 2018 at 06:55:02 UTC, Bastiaan Veelo 
 wrote:

 On Wednesday, 31 October 2018 at 13:09:05 UTC, bachmeier wrote:

 On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name 
 wrote:

 Are these forums open source? I think i'll add it myself.


 Just so you know, this isn't a traditional forum, it's a web 
 interface to the mailing list. Therefore I don't think it 
 will be accepted.


 Why wouldn’t it be accepted? It’s just markup. People read 
 back ticks in their code all the time, so it’s no problem to 
 read it in mail. The forum can decide to format it however it 
 likes, maybe even make code snippets runnable.


 I'm not saying I'm opposed, just that my impression from 
 previous discussions is that there is a preference to keep 
 things as plain text, and I don't want someone spending time on 
 something that doesn't go anywhere.


I thought I had seen a post from Vladimir where he considered 
adding support for markup, but maybe I misremember. There is this 
older post 
https://forum.dlang.org/post/invscqkyjhkrxpcqqscn beta.forum.dlang.org talking
about issues with this. Maybe solutions can be found for all of these, like
user preference or a "raw" button, but it does require thought and possibly
convincing.
Nov 01 2018
prev sibling parent Steven Schveighoffer <schveiguy gmail.com> writes:
On 11/1/18 6:33 AM, bachmeier wrote:

 On Thursday, 1 November 2018 at 06:55:02 UTC, Bastiaan Veelo wrote:

 On Wednesday, 31 October 2018 at 13:09:05 UTC, bachmeier wrote:

 On Wednesday, 31 October 2018 at 02:25:56 UTC, Your name wrote:

 Are these forums open source? I think i'll add it myself.


 Just so you know, this isn't a traditional forum, it's a web 
 interface to the mailing list. Therefore I don't think it will be 
 accepted.


 Why wouldn’t it be accepted? It’s just markup. People read back ticks 
 in their code all the time, so it’s no problem to read it in mail. The 
 forum can decide to format it however it likes, maybe even make code 
 snippets runnable.


 
 I'm not saying I'm opposed, just that my impression from previous 
 discussions is that there is a preference to keep things as plain text, 
 and I don't want someone spending time on something that doesn't go 
 anywhere.


I don't see any reason why it wouldn't be accepted. I couldn't care less 
if people write markdown on the NG, even though I don't use the forum. 
It's still readable on thunderbird (which does do some markdown, but no 
code formatting).

For the record, vibed forums do have markdown:

http://forum.rejectedsoftware.com/groups/rejectedsoftware.vibed/thread/56653/

And they are backed by NNTP (or maybe there's an NNTP interface? I'm not 
sure actually).

-Steve
Nov 01 2018
prev sibling parent welkam <wwwelkam gmail.com> writes:
On Thursday, 1 November 2018 at 06:55:02 UTC, Bastiaan Veelo 
wrote:

 maybe even make code snippets runnable.


Or you can use https://run.dlang.io/  or https://godbolt.org/
Nov 01 2018