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September 17, 2018 16:55
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| extension Date { | |
| func get(_ unit: Calendar.Component) -> Int { | |
| return Calendar.current.component(unit, from: self) | |
| } | |
| var hour: Int { | |
| return get(.hour) | |
| } | |
| } | |
| let today = Date(timeIntervalSinceNow: 1 * 60 * 60) // Sep 17, 2018 at 8:55 PM | |
| let hours = today.hour // 20 |
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