Array (class) filled with non nil values stays empty

Question

I am currently having trouble filling up an array of customClass.

I try to fill it with a jsonFile. During my json parsing (using swiftyJSON) i loop and fill my array. T

Answer 1

Change your JSONAnnotationList declaration to be an non-optional and assign it an empty array

var JSONAnnotationList: [UGOAnnotation] = []

You see, you have never created an array so there was nothing to be printed.

The whole point of optionals is to use them sparingly, not everywhere.