From bf04a7ccb1c1d23478885ea4f67fad374ffe0a72 Mon Sep 17 00:00:00 2001
From: Corey Richardson <corey@octayn.net>
Date: Thu, 3 Jul 2014 00:45:59 -0700
Subject: [PATCH] ast: add an `as_str` method to Ident

This is technically unsafe but interned strings are considered immortal.
---
 src/libsyntax/ast.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index d96f1393bc91..b9bb05d1950c 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -50,6 +50,13 @@ pub struct Ident {
 impl Ident {
     /// Construct an identifier with the given name and an empty context:
     pub fn new(name: Name) -> Ident { Ident {name: name, ctxt: EMPTY_CTXT}}
+
+    pub fn as_str<'a>(&'a self) -> &'a str {
+        unsafe {
+            // FIXME #12938: can't use copy_lifetime since &str isn't a &T
+            ::std::mem::transmute(token::get_ident(*self).get())
+        }
+    }
 }
 
 impl Show for Ident {