{def compare
{lambda {:a :b}
{if {< :a :b}
then :a is lesser than :b
else {if {> :a :b}
then :a is greater than :b
else :a is equal to :b}}}}
{compare 1 2}
-> 1 is lesser than 2
{compare 2 1}
-> 2 is greater than 1
{compare 1 1}
-> 1 is equal to 1