From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 15 Nov 2024 16:03:16 +0000 (+0000)
Subject: provide from_raw
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=dd339573e0003e379e97ca64836442b009fcacb4;p=manually-boxed

provide from_raw
---

diff --git a/src/lib.rs b/src/lib.rs
index f2a35f7..4b6ccee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -401,6 +401,16 @@ impl<T: ?Sized> Ptr<T> {
         };
         t
     }
+
+    /// Make a new `Ptr` out of a raw pointer
+    ///
+    /// # SAFETY
+    ///
+    /// It is up to you to ensure that the pointer is valid for `T`,
+    /// dereferencable, and has appropriate lifespan.
+    pub unsafe fn from_raw(t: NonNull<T>) -> Self {
+        Ptr { ptr: t }
+    }
 }
 
 impl NoAliasSingleton {