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Re: undefined value as an ARRAY reference sometimes ok

by ikegami (Patriarch)
on Dec 14, 2011 at 06:47 UTC ( [id://943487]=note: print w/replies, xml ) Need Help??

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  1. or download this
    EXPR1->[ EXPR2 ]
  2. or download this
    ( EXPR1 //= [] )->[ EXPR2 ]
  3. or download this
    $list //= []
  4. or download this
    get_no_list() //= []
  5. or download this
    ( some_list() )[0]  # Returns the first element or an empty list.

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