You can always parenthesize defensively. 

$template->param( 
  some_var => ( $hash{some_possibly_undefined_key} || 10 )
)

[download]

...but it looks to me as if your example actually works as you intend.

The big problem I see is that you default to 10 even if you have a defined value of 0 (see also True or False? A Quick Reference Guide).

In reply to Re: What protects me from doing this stupid thing..? by kyle
in thread What protects me from doing this stupid thing..? by Cody Pendant

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