[erlang-questions] comma-less lists and tuples

Rick Pettit <>
Wed Sep 20 17:42:48 CEST 2006


On Wed, Sep 20, 2006 at 05:08:12PM +0200, Anton Berezin wrote:
> On Wed, Sep 20, 2006 at 04:48:22PM +0200, Erik Reitsma (RY/ETM) wrote:
> >  
> > > > When working with ErlSQL, I came to the opinion that in some cases, 
> > > > Erlang would benefit from allowing whitespace as a 
> > > delimiter in lists 
> > > > and tuples in place of commas. Consider this small example:
> > > 
> > > would such a change create a problem when atoms look like this:
> > > 'atom with space'?
> > 
> > I don't see why if we can have 'atom,with,commas' already.
> 
> While we are discussing commas, it would be extremely nice to allow a
> trailing comma in lists and tuples:
> 
>   [1,2,3,]
>   {1,2,3,}
> 
> This is very useful during development, it provides for less source editing
> with no assumption that datastructures are cast in stone.
> 
> Many languages support that already, including gcc variant of C.
> 
> Pretty please?

Are these really features worth debating at this time? Aren't there more
important considerations regarding erlang than the ability to omit (or add
extra) commas in lists?

I don't mean to rain on the parade but this seems somewhat unimportant to me.

-Rick



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