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-rw-r--r--lib/system/cellseqs_v1.nim19
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/system/cellseqs_v1.nim b/lib/system/cellseqs_v1.nim
index 1952491b3..1a305aa42 100644
--- a/lib/system/cellseqs_v1.nim
+++ b/lib/system/cellseqs_v1.nim
@@ -16,18 +16,21 @@ type
     d: PCellArray
 
 proc contains(s: CellSeq, c: PCell): bool {.inline.} =
-  for i in 0 .. s.len-1:
-    if s.d[i] == c: return true
+  for i in 0 ..< s.len:
+    if s.d[i] == c:
+      return true
   return false
 
+proc resize(s: var CellSeq) =
+  s.cap = s.cap * 3 div 2
+  let d = cast[PCellArray](alloc(s.cap * sizeof(PCell)))
+  copyMem(d, s.d, s.len * sizeof(PCell))
+  dealloc(s.d)
+  s.d = d
+
 proc add(s: var CellSeq, c: PCell) {.inline.} =
   if s.len >= s.cap:
-    s.cap = s.cap * 3 div 2
-    var d = cast[PCellArray](alloc(s.cap * sizeof(PCell)))
-    copyMem(d, s.d, s.len * sizeof(PCell))
-    dealloc(s.d)
-    s.d = d
-    # XXX: realloc?
+    resize(s)
   s.d[s.len] = c
   inc(s.len)