Returns one of two expressions depending on a condition.

(test) : (expression1) : (expression2)

test: Any Boolean expression.

expression1: A function handle called if test is true.

expression2: A function handle called if test is false.

Example

>> a = (2 > 1) : (@() 1) : (@() 2)
   a =
        1
>> a = (1 > 2) : (@() 1) : (@() 2)
   a =
        2

The colon.m you submitted will be moved to the class folder @function_handle:

mkdir @function_handle
movefile submission/colon.m @function_handle