commit 2ec30152560f5fe8a76da3bbb90c948540aa7d2c
author swift-ci <swift-ci@users.noreply.github.com> Thu Nov 02 09:58:35 2017 -0700
committer GitHub <noreply@github.com> Thu Nov 02 09:58:35 2017 -0700
tree 28ed5bd49f9775e39e8b33493ae7993f976e7acf
parent face0557631fe081765c9858abb8fb86f9795a0a
parent 2788573f7da42288b5132e0c9f5c8da20b513058

Merge pull request #1292 from ogres/master

Foundation/DateInterval.swift

diff --git a/Foundation/DateInterval.swift b/Foundation/DateInterval.swift
index 3a5d36a..0d22b7a 100644
--- a/Foundation/DateInterval.swift
+++ b/Foundation/DateInterval.swift
@@ -52,10 +52,7 @@
     ///
     /// - precondition: `end >= start`
     public init(start: Date, end: Date) {
-        if end < start {
-            fatalError("Reverse intervals are not allowed")
-        }
-        
+        precondition(end >= start, "Reverse intervals are not allowed")
         self.start = start
         duration = end.timeIntervalSince(start)
     }