Schwartzian transform

[Dermot]

>I assume that Dermot was using the second version that doesn't need the
braces and does need the comma.

I am often caught out between when to use the comma and not but it's "()"
and comma or braces and no comma, I believe.

Abigal: I wanted to avoid doing the foreach loop at the end. I hoped I
could modify {position} in the transform.

Still working with the examples I've been kindly show.

Dermot.





On 13 August 2014 10:59, Dave Cross <dave at dave.org.uk> wrote:

> Quoting Alex Balhatchet <kaoru at slackwise.net>:
>
>  Hi Dermot,
>>
>> You have a few problems with your code:
>>
>> 1. First argument to map is a block
>>
>
> [ snip]
>
>  3. Some mis-placed commas
>>
>
> [ snip ]
>
> Actually, map has two forms.
>
>   map BLOCK LIST
>   map EXPR, LIST
>
> I assume that Dermot was using the second version that doesn't need the
> braces and does need the comma.
>
> See http://perldoc.perl.org/functions/map.html
>
> Cheers,
>
> Dave...
>
>
>