What is the difference between `didset` and `willset` in swift?

Question

I am having difficulty in understanding the difference between the willSet and didSet. Can someone throw some light on their usage?

score 8 · Accepted Answer · answered Apr 17 '15 at 05:29

8

willSet is executed before property is set.

didSet is executed after property is set.

answered Apr 17 '15 at 05:29

David Xu

1 Answers1