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federicocappelli/.swift

Created February 21, 2018 11:05
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iOS Error management snippet 2
Raw
.swift
func getDataFromUrl(url: URL, completion:(_ data: Data?, _ error: NSError?) -> Void) {
...
if (error) {
// Show error in UIAlertcontroller
//or
//send it up with a delegate/completion block to the higher level of the app.
}
else if (data) {
// Do something
}
...
}
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