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marcpalmer/gist:add6a43b23ff8a8d0cb1

Last active August 29, 2015 14:08
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Simple message output with autoclosure
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gistfile1.swift
let debugEnabled = true
func conditionalMessage(message:@autoclosure () -> String) {
if debugEnabled {
println(message())
}
}
func expensiveMessage() -> String {
println("I’m expensive you know")
return "Hello world"
}
conditionalMessage(expensiveMessage())
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