Example: lr.save_string
In the following example, lr.save_string assigns "Wickham" to parameter"duty_officer"and"swing" to parameter "shiftName" . These parameters are then used in an output message.
lr.save_string "duty_officer", "Wickham" lr.save_string "shiftName", "swing" lr.output_message _ (lr.eval_string _ ("The duty_officer for the <shiftName> shift is <duty_officer>."))