From eca97e7b04ce5c02ffeef3fa0f1c4da5c4d25a26 Mon Sep 17 00:00:00 2001
From: NanoTech
Date: Mon, 12 Dec 2016 02:24:15 +0000
Subject: Fix context lookup order

The most recent item, with context index 0, is at
the end of the Vec.---
 src/context.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/context.rs')

diff --git a/src/context.rs b/src/context.rs
index b72182d..9fb3bf4 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -30,7 +30,7 @@ impl<'i, T> Context<'i, T> {
     /// lookup k n (insert j v c) = lookup k  n      c  -- k /= j
     /// ```
     pub fn lookup<'a>(&'a self, k: &str, n: usize) -> Option<&'a T> {
-        self.0.get(k).and_then(|v| v.get(n))
+        self.0.get(k).and_then(|v| v.get(v.len() - 1 - n))
     }
 
     pub fn map<U, F: Fn(&T) -> U>(&self, f: F) -> Context<'i, U> {
-- 
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