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Re^2: Why is the execution order of subexpressions undefined? (basics)

by BrowserUk (Patriarch)
on Apr 17, 2005 at 03:21 UTC ( [id://448565]=note: print w/replies, xml ) Need Help??

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  1. or download this
    $x = f( $o->next ) + g( $o->next );
    $y = f( $o->next ) - g( $o->next );
    
  2. or download this
    $x =  g( $o->next ) + f( $o->next );
    $y = -g( $o->next ) + f( $o->next );
    
  3. or download this
    my $temp1 = $o->next;
    my $temp2 = $o->next;
    ...
    $temp1 = $o->next;
    $temp2 = $o->next;
    $y = g( $temp1 ) - f( $temp2 );
    
  4. or download this
    my $temp1 = $o->next;
    my $temp2 = $o->next;
    ...
    $temp1 = $o->next;
    $temp2 = $o->next;
    $y = f( $temp1 ) - g( $temp2 );
    

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