forked from shadowfacts/Tusker
Don't allocate a new Set every time timeAgo is computed
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@ -10,11 +10,11 @@ import Foundation
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extension Date {
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private static let unitFlags = Set<Calendar.Component>([.second, .minute, .hour, .day, .weekOfYear, .month, .year])
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func timeAgo() -> (Int, Calendar.Component) {
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let calendar = NSCalendar.current
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let unitFlags = Set<Calendar.Component>([.second, .minute, .hour, .day, .weekOfYear, .month, .year])
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let components = calendar.dateComponents(unitFlags, from: self, to: Date())
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let components = calendar.dateComponents(Date.unitFlags, from: self, to: Date())
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if components.year! >= 1 {
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return (components.year!, .year)
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