From b37ef1745ea2f494a74719600d648e1ffd4ef48f Mon Sep 17 00:00:00 2001
From: Mark Mansi <markm@cs.wisc.edu>
Date: Fri, 23 Feb 2018 13:17:29 -0600
Subject: [PATCH] Add HIR MAP to glossary

---
 src/glossary.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/glossary.md b/src/glossary.md
index 34b4bd446..13567a428 100644
--- a/src/glossary.md
+++ b/src/glossary.md
@@ -13,6 +13,7 @@ DAG                     |  a directed acyclic graph is used during compilation t
 DefId                   |  an index identifying a definition (see `librustc/hir/def_id.rs`). Uniquely identifies a `DefPath`.
 HIR                     |  the High-level IR, created by lowering and desugaring the AST ([see more](hir.html))
 HirId                   |  identifies a particular node in the HIR by combining a def-id with an "intra-definition offset".
+HIR Map                 |  The HIR map, accessible via tcx.hir, allows you to quickly navigate the HIR and convert between various forms of identifiers.
 'gcx                    |  the lifetime of the global arena ([see more](ty.html))
 generics                |  the set of generic type parameters defined on a type or item
 ICE                     |  internal compiler error. When the compiler crashes.