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don’t you worry about blank, let me worry about blank

1. Ankur 7.30.07 / 2am

   I think it’s the same in PHP, although I hardly ever leave a trailing comma deliberately. You’re right, though - it is a little tiresome to shuffle commas around when rearranging arrays.
2. Ross 7.30.07 / 2am

   You can add trailing commas in array defs in C, and C#, and I am fairly sure I remember this being true of Java as well.

   I always thought it was to make it easier for code-generators as they would never need to worry about the trailing comma.
3. Pete 7.30.07 / 2am

   You can do it in most languages and it will result in a warning. This is better than letting it go silently, as it could be indicative of an error — a mistype or copy & paste problem, for example.
4. Pete 7.30.07 / 2am

   You can do it in most languages and it will result in a warning. This is better than letting it go silently, as it could be indicative of an error — a mistype or copy & paste problem, for example.

   Laziness is not practicality. Especially not if it makes it easier to end up with hard-to-track bugs.
5. PatrickQG 7.30.07 / 4am

   You can do that in javascript, except one browser (cough) then gives you a null “last” entry in the array. Of course sometimes a “trailing” comma cause other browsers to just get confused, so it’s best not.

   As to ending up with hard-to-track bugs… I fail to see how this syntax could lead to them. If your language supports it, why would it lead to bugs?
6. Stephen 7.30.07 / 9am

   You can do this in Perl, too.
7. b3gl 8.2.07 / 4pm

   Works fine in Ruby:

   x = {
   “a” => 1,
   “b” => 2,
   “c” => 3, #comment
   }

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