my $foo = get_foo();
do_something($foo);

##</code><code>##

do_something( get_foo() );

##</code><code>##

my $foo = get_foo();
if ($snargle = 3 && $foo = 2) {
   whatever($snargle, $foo);
   # lots of other stuff here...
}
do_something($foo);

##</code><code>##

grep { $_->[2] } @slice_me;