From c3ab77989f371855446aa96cad524b81ffb1bd07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20K=C3=A5re=20Alsaker?= <john.kare.alsaker@gmail.com>
Date: Sat, 23 Dec 2017 07:00:45 +0100
Subject: [PATCH] Replace Term::as_str with Term::with_str which only allows
 access to the string in a closure

---
 src/libproc_macro/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs
index 121ab68167be2..b9367458ea9f2 100644
--- a/src/libproc_macro/lib.rs
+++ b/src/libproc_macro/lib.rs
@@ -407,8 +407,8 @@ impl Term {
 
     /// Get a reference to the interned string.
     #[unstable(feature = "proc_macro", issue = "38356")]
-    pub fn as_str(&self) -> &str {
-        unsafe { &*(&*self.0.as_str() as *const str) }
+    pub fn with_str<F: FnOnce(&str) -> R, R>(self, f: F) -> R {
+        self.0.with_str(f)
     }
 }