Revert "Fixed #306"

This reverts commit 332902e.
malcommac · Oct 18, 2016 · bd5ad20 · bd5ad20
1 parent 332902e
commit bd5ad20
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Sources/SwiftDate/DateTimeInterval.swift b/Sources/SwiftDate/DateTimeInterval.swift
@@ -65,8 +65,12 @@ public struct DateTimeInterval : Comparable {
 	///
 	/// - precondition: `end >= start`
 	public init(start: Date, end: Date) {
+		if end < start {
+			fatalError("Reverse intervals are not allowed")
+		}
+
 		self.start = start
-		duration = start.timeIntervalSince(end)
+		duration = end.timeIntervalSince(start)
 	}
 
 	/// Initialize a `DateTimeInterval` with the specified start date and duration.