SPUG: Slice of an arrary within a hash?
Colin Meyer
cmeyer at helvella.org
Fri May 5 16:40:32 CDT 2000
Daniel,
On Fri, May 05, 2000 at 12:27:54PM -0700, Daniel V. Ebert wrote:
>
> This thread has sparked a couple questions.
>
> 1. I haven't seen this type of thing before
> @{ $DATA{$dsku} }
> and was wondering if someone could write it out 'longhand'
>
> If there is a bit of the Camel or Llama book that covers it I can read it
> myself, but didn't find one im my search.
@{ $hashvar{key} } = (1..3)
is spoken in another dialect as:
$hashvar{key} = [1..3];
Personally, I find the latter version to be more clear. I use the first
version when an array is specifically called for, such as with push:
push @{$hashvar{key}}, 4..6;
For more detail, look to:
perldoc perlref
perldoc perldata
>
> 2. I often see people saying "always use strict" ... is there some
> recommended reading on that subject?
perldoc strict
-C.
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