From 19be5eb1ebfc92c66ebf39c81c46209df734e89f Mon Sep 17 00:00:00 2001
From: flywind <xzsflywind@gmail.com>
Date: Fri, 5 Mar 2021 23:21:33 +0800
Subject: Add unsafeIsolate and extract to std/isolation [backport:1.4]
 (#17263)

---
 lib/std/isolation.nim | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib')

diff --git a/lib/std/isolation.nim b/lib/std/isolation.nim
index 7c44f47fb..70395d6d4 100644
--- a/lib/std/isolation.nim
+++ b/lib/std/isolation.nim
@@ -30,3 +30,11 @@ func isolate*[T](value: sink T): Isolated[T] {.magic: "Isolate".} =
   ## Please read https://github.com/nim-lang/RFCs/issues/244
   ## for more details.
   Isolated[T](value: value)
+
+func unsafeIsolate*[T](value: sink T): Isolated[T] =
+  ## Creates an isolated subgraph from the expression `value`.
+  Isolated[T](value: value)
+
+func extract*[T](src: var Isolated[T]): T =
+  ## Returns the internal value of `src`.
+  result = move(src.value)
-- 
cgit 1.4.1-2-gfad0