Comparison of dates in Swift

Submitted by obraztsov on Tue, 11/10/2015 - 17:56

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let now = NSDate()
let yesterday = now.dateByAddingTimeInterval(-86_400)

let areEqual = now.isEqualToDate(yesterday)
//areEqual is false

let areLater = now.compare(yesterday) == NSComparisonResult.OrderedDescending
//areLater is true

let areEarlier = now.compare(yesterday) == NSComparisonResult.OrderedAscending
//areEarlier is false