(examples-for to-integer

("converts a string"
 (to-integer "1234")
 1234)

("converts a date"
 (to-integer (date 2004 3 12))
 1079046000)

("converts a time"
 (to-integer (time 2004 3 12 18 45))
 1079113500)

("returns nonsense for non-integer"
 (to-integer { foo 'bar })
 0))