#if( $foo == 42 )
#if( $foo == "bar" )
#if( $foo == $bar )
#if( $foo != $bar )
#if( $foo > 42 )
#if( $foo < 42 )
#if( $foo >= 42 )
#if( $foo <= 42 )
#set( $r = $a + $b )
#set( $r = $a - $b )
#set( $r = $a * $b )
#set( $r = $a / $b )
#set( $r = $a % 10 )
#set( $a = $a + 1 )
#set( $a = $a - 1 )
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