CASE

Command: #case {conditional} {arguments}

         The case command must be used within the #switch command. When the
         conditional argument of the case command matches the conditional
         argument of the switch command the body of the case is executed.

         When comparing strings both the switch and case arguments must be
         surrounded in quotes.

Example:

         #function {reverse_direction}
         {
             #switch {"%1"}
             {
                 #case {"north"} {#return south};
                 #case {"east"}  {#return west};
                 #case {"south"} {#return north};
                 #case {"west"}  {#return east};
                 #case {"up"}    {#return down};
                 #case {"down"}  {#return up}
             }
         }

         This function returns the reverse direction. @reverse_direction{north}
         would return south.

Related: default, statements and switch.