From 10c8e2037db9ec3dc53fdaf1cc27e837e204af76 Mon Sep 17 00:00:00 2001
From: flywind <43030857+xflywind@users.noreply.github.com>
Date: Thu, 14 Jul 2022 18:42:56 +0800
Subject: fixes #20015; document `shallowCopy` does a deep copy with ARC/ORC
 (#20025)

---
 lib/system.nim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/system.nim b/lib/system.nim
index 4080fee06..6e8519cf6 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -473,6 +473,8 @@ proc shallowCopy*[T](x: var T, y: T) {.noSideEffect, magic: "ShallowCopy".}
   ## Be careful with the changed semantics though!
   ## There is a reason why the default assignment does a deep copy of sequences
   ## and strings.
+  ##
+  ## .. warning:: `shallowCopy` does a deep copy with ARC/ORC.
 
 # :array|openArray|string|seq|cstring|tuple
 proc `[]`*[I: Ordinal;T](a: T; i: I): T {.
-- 
cgit 1.4.1-2-gfad0