Merge branch 'devel' into jpoirier-realtimeGCTest

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/pure/algorithm.nim b/lib/pure/algorithm.nim
index a1ab7be13..f7ccb9234 100644
--- a/lib/pure/algorithm.nim
+++ b/lib/pure/algorithm.nim
@@ -24,7 +24,7 @@ proc `*`*(x: int, order: SortOrder): int {.inline.} =
   var y = order.ord - 1
   result = (x xor y) - y
 
-proc reverse*[T](a: var openArray[T], first, last: int) =
+proc reverse*[T](a: var openArray[T], first, last: Natural) =
   ## reverses the array ``a[first..last]``.
   var x = first
   var y = last
@@ -37,11 +37,11 @@ proc reverse*[T](a: var openArray[T]) =
   ## reverses the array `a`.
   reverse(a, 0, a.high)
 
-proc reversed*[T](a: openArray[T], first, last: int): seq[T] =
+proc reversed*[T](a: openArray[T], first, last: Natural): seq[T] =
   ## returns the reverse of the array `a[first..last]`.
   result = newSeq[T](last - first + 1)
-  var x = first
-  var y = last
+  var x = first.int
+  var y = last.int
   while x <= last:
     result[x] = a[y]
     dec(y)