From 7266981b4cd9a593bf64ba3e91f724f998e18786 Mon Sep 17 00:00:00 2001
From: John Clements <clements@racket-lang.org>
Date: Tue, 14 May 2013 11:40:29 -0700
Subject: [PATCH] removed obsolete reference to purity

---
 src/libsyntax/util/interner.rs | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/libsyntax/util/interner.rs b/src/libsyntax/util/interner.rs
index c3deb65163d..b55050184fe 100644
--- a/src/libsyntax/util/interner.rs
+++ b/src/libsyntax/util/interner.rs
@@ -64,9 +64,6 @@ impl<T:Eq + IterBytes + Hash + Const + Copy> Interner<T> {
         new_idx
     }
 
-    // this isn't "pure" in the traditional sense, because it can go from
-    // failing to returning a value as items are interned. But for typestate,
-    // where we first check a pred and then rely on it, ceasing to fail is ok.
     pub fn get(&self, idx: uint) -> T { self.vect[idx] }
 
     pub fn len(&self) -> uint { let vect = &*self.vect; vect.len() }