From 8b608354a04da4a8b7f13a1d1a4ec1f3a58a7c08 Mon Sep 17 00:00:00 2001
From: Lucas Werkmeister <mail@lucaswerkmeister.de>
Date: Sun, 4 Oct 2015 23:37:15 +0200
Subject: [PATCH] Fix error from ceylon/ceylon-spec#891

The second `if` no longer narrows the type, so use an else instead.
---
 source/ceylon/time/DateTimeRange.ceylon | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/source/ceylon/time/DateTimeRange.ceylon b/source/ceylon/time/DateTimeRange.ceylon
index 58d3f315..5e65bedc 100644
--- a/source/ceylon/time/DateTimeRange.ceylon
+++ b/source/ceylon/time/DateTimeRange.ceylon
@@ -144,14 +144,13 @@ shared class DateTimeRange( from, to, step = milliseconds ) satisfies Range<Date
             case( is UnitOfMonth ) { return from.plusMonths(jump); }
             case( is UnitOfDay )   { return from.plusDays(jump); }
         }
-        if ( is UnitOfTime step ) {
+        else {
             switch( step )
             case( is UnitOfHour )  { return from.plusHours(jump); }
             case( is UnitOfMinute ) { return from.plusMinutes(jump); }
             case( is UnitOfSecond )   { return from.plusSeconds(jump); }
             case( is UnitOfMillisecond )   { return from.plusMilliseconds(jump); }
         }
-        throw;
     }
 
     "The iteration for each element should always start from same point,
@@ -163,14 +162,13 @@ shared class DateTimeRange( from, to, step = milliseconds ) satisfies Range<Date
             case( is UnitOfMonth ) { return from.minusMonths(jump); }
             case( is UnitOfDay )   { return from.minusDays(jump); }
         }
-        if ( is UnitOfTime step ) {
+        else {
             switch( step )
             case( is UnitOfHour )  { return from.minusHours(jump); }
             case( is UnitOfMinute ) { return from.minusMinutes(jump); }
             case( is UnitOfSecond )   { return from.minusSeconds(jump); }
             case( is UnitOfMillisecond )   { return from.minusMilliseconds(jump); }
         }
-        throw;
     }
 
 }