Replace countup(x, y-1) with x ..< y

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler/aliases.nim b/compiler/aliases.nim
index f79210dd7..ef56c5d6c 100644
--- a/compiler/aliases.nim
+++ b/compiler/aliases.nim
@@ -22,14 +22,14 @@ proc isPartOfAux(n: PNode, b: PType, marker: var IntSet): TAnalysisResult =
   result = arNo
   case n.kind
   of nkRecList:
-    for i in countup(0, sonsLen(n) - 1):
+    for i in 0 ..< sonsLen(n):
       result = isPartOfAux(n.sons[i], b, marker)
       if result == arYes: return
   of nkRecCase:
     assert(n.sons[0].kind == nkSym)
     result = isPartOfAux(n.sons[0], b, marker)
     if result == arYes: return
-    for i in countup(1, sonsLen(n) - 1):
+    for i in 1 ..< sonsLen(n):
       case n.sons[i].kind
       of nkOfBranch, nkElse:
         result = isPartOfAux(lastSon(n.sons[i]), b, marker)
@@ -52,7 +52,7 @@ proc isPartOfAux(a, b: PType, marker: var IntSet): TAnalysisResult =
   of tyGenericInst, tyDistinct, tyAlias, tySink:
     result = isPartOfAux(lastSon(a), b, marker)
   of tyArray, tySet, tyTuple:
-    for i in countup(0, sonsLen(a) - 1):
+    for i in 0 ..< sonsLen(a):
       result = isPartOfAux(a.sons[i], b, marker)
       if result == arYes: return
   else: discard