From 5b923cd149607bc91c94ac0b9191f02792de5395 Mon Sep 17 00:00:00 2001
From: Brent Pedersen <bpederse@gmail.com>
Date: Wed, 11 Sep 2019 15:40:34 -0600
Subject: use while

---
 lib/system/sets.nim | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/system/sets.nim b/lib/system/sets.nim
index 83d18e546..39f7d474f 100644
--- a/lib/system/sets.nim
+++ b/lib/system/sets.nim
@@ -30,11 +30,12 @@ proc countBits64(n: uint64): int {.compilerproc, inline.} =
   result = ((v * 0x0101010101010101'u64) shr 56'u64).int
 
 proc cardSet(s: NimSet, len: int): int {.compilerproc, inline.} =
-  var j = -1
+  var i = 0
   when defined(x86) or defined(amd64):
-    for i in countup(0, len - 8, 8):
+    while i < len - 8:
       inc(result, countBits64((cast[ptr uint64](s[i].unsafeAddr))[]))
-      j = i + 7
+      inc(i, 8)
 
-  for i in (j + 1) ..< len:
+  while i < len:
     inc(result, countBits32(uint32(s[i])))
+    inc(i, 1)
-- 
cgit 1.4.1-2-gfad0