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sjmadsen/SaveButton.swift

Created January 22, 2016 14:10
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ReactiveCocoa snippet
Raw
SaveButton.swift
textField1.rac_textSignal().toSignalProducer()
.combineLatestWith(textField2.rac_textSignal().toSignalProducer())
.map { ($0.0 as! String, $0.1 as! String) }
.startWithNext { (first, second) in
self.saveButton.enabled = (first.characters.count + second.characters.count) > 0
}
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