Ruben’s blog

When I first tried to bind a read-only getter-function (see example-code below) the Flex SDK decided to warn me that “[Bindable] on read-only getter is unnecessary and will be ignored.”. private var _someProperty:String = "some value";   [Bindable] public function get someProperty ():String { return _someProperty; } // generates compile-time warning saying "[Bindable] on read-only [...]

By chance I just stumbled upon this article from the Livedocs about the way functions interpret the values of their parameters in Actionscript3. Since I found I couldn’t put it any better than the LiveDocs did, here’s a quote: In ActionScript 3.0, all arguments are passed by reference because all values are stored as objects. [...]