From 4ddbd6b5b0f356eae0ec4ba5fcea277885da7528 Mon Sep 17 00:00:00 2001
From: Tobias Bucher <tobiasbucher5991@gmail.com>
Date: Mon, 28 Mar 2016 15:29:15 +0200
Subject: [PATCH] Remove `unsafe` qualifier from `RefCell::as_unsafe_cell`

This method is no longer unsafe because the field of `UnsafeCell` is no
longer public.
---
 src/libcore/cell.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index fdd2e3a178499..4a9a148506343 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -216,10 +216,6 @@ impl<T:Copy> Cell<T> {
 
     /// Returns a reference to the underlying `UnsafeCell`.
     ///
-    /// # Safety
-    ///
-    /// This function is `unsafe` because `UnsafeCell`'s field is public.
-    ///
     /// # Examples
     ///
     /// ```
@@ -229,11 +225,11 @@ impl<T:Copy> Cell<T> {
     ///
     /// let c = Cell::new(5);
     ///
-    /// let uc = unsafe { c.as_unsafe_cell() };
+    /// let uc = c.as_unsafe_cell();
     /// ```
     #[inline]
     #[unstable(feature = "as_unsafe_cell", issue = "27708")]
-    pub unsafe fn as_unsafe_cell(&self) -> &UnsafeCell<T> {
+    pub fn as_unsafe_cell(&self) -> &UnsafeCell<T> {
         &self.value
     }
 }