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haikieu/function-with-golden-path.swift

Created August 15, 2018 07:47
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function with golden path
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function-with-golden-path.swift
func authenticateUser(_ username: String?, with password: String?) -> Bool {
guard let username = username, let password = password else {
//Bad input, do something and return
...
return false
}
//Golden path, everything goes well so far
let found = lookupDatabase(username, password)
return found
}
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