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list assignment to list in scalar context

by Anonymous Monk
on Nov 09, 2012 at 02:58 UTC ( #1003051=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    scalar((1,3,5))     #evaluates to the last element of the list --- 5
    if( (5,3,0) )       #evaluates to the last element of the list --- 0, 
    +thus evaluates to FALSE
    $val=(5,6,7);       #evaluates to the last element of the list --- 7
    
  2. or download this
    $ret = (($i, $j, $k)=(5,6,8,9));        #evaluates to the number of el
    +ements on the right side list --- 4
    if( ($k, $v) = ( 1, 0 ) )               #evaluates to the number of el
    +ements on the right side list --- 2, thus evaluates to TRUE
    while ( ($key, $value) = each %map )    #still evaluates to the number
    + of elements on the right side hash
    
  3. or download this
    if( ($k, $v) = ( 1, 0 ) )          
    

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