use add instead of seq concatenation

5 years ago · 9d6b7babae
1 changed files with 1 additions and 1 deletions
--- a/src/nimwin.nim
+++ b/src/nimwin.nim
@ -34,7 +34,7 @@ proc gcWindows(display : PDisplay) =

 proc ignoreBadWindows(display : PDisplay, ev : PXErrorEvent) : cint {.cdecl.} =
  # resourceID maps to the Window's XID
-  invalidWindows &= @[ev.resourceID]
+  invalidWindows.add(ev.resourceID)
  0

 proc getDisplay : PDisplay =