SPUG: assigning to slice of anon hash?
Jim Flanagan
jimfl at colltech.com
Wed Jun 27 14:30:42 CDT 2001
--Also Sprache El JoPe Magnifico <jope-spug at jope.net> On Wednesday, June
27, 2001 12:12 PM -0700:
> Quick (hopefully) perl syntax question that I ran into last night.
> You can assign to a slice of a hash with the following:
>
> @hash{ @fields } = @values;
>
> However, I can't figure out how to do the same with a hash ref.
> The following gives a runtime error, "Can't coerce array into hash",
> since the @{$ref} construct is generally how you deref an array ref:
>
> @{ $hash_ref }->{ @fields } = @values;
>
> And the following (which wouldn't be syntactically consistent,
> but I tried just in case) doesn't do the trick either:
>
> %{ $hash_ref }->{ @fields } = @values;
You're close!
@{$hashref}{@fields} = @values.
--
Jim Flanagan Collective Technologies
jimfl at colltech.com http://www.colltech.com
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