[swift-evolution] Custom didSet methods

James Campbell james at supmenow.com
Tue Jan 12 05:24:24 CST 2016

When declaring a collection, it would be nice to have a way of knowing when
an item is set/added and removed.

For example you could trigger a layer to be added to the layer hiearchy.

var shapeLayers: [CAShapeLayer] {

didAdd(item) {


 Wizard
james at supmenow.com
+44 7523 279 698
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20160112/10ff94ab/attachment.html>

More information about the swift-evolution mailing list