Properties are great. They allow us to write the more naturally looking
myButton.hidden = true
instead of
myButton.setHidden(true)
However, they don't take any parameters. That’s why we still have to write
myButton.setImage(myImage, forState: .Normal)
instead of
myButton.imageForState(.Normal) = myImage
The syntax to write such a function would be pretty straight-forward:
var imageForState(state: UIControlState): UIImage? {
get { … }
set { … }
}
Functions such as setHidden(_:forState:) are basically setters of properties,
disguised as functions. This proposal would take away this ambiguity.
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