From 23437e8f235d3f84bc36b00c564d036234018a01 Mon Sep 17 00:00:00 2001
From: Robin Jadoul <robin.jadoul@gmail.com>
Date: Fri, 27 May 2016 19:08:29 +0200
Subject: [PATCH] Remove no longer needed eCloseCache

---
 include/Lexesis/automata.h | 3 +--
 src/automata.cpp           | 6 +-----
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/include/Lexesis/automata.h b/include/Lexesis/automata.h
index f54a36d..6874e35 100644
--- a/include/Lexesis/automata.h
+++ b/include/Lexesis/automata.h
@@ -35,8 +35,7 @@ namespace lxs {
         std::map<State, std::set<State> > epsilonTransitions;
         virtual std::set<State> eClose(State) const;
 
-        private:
-            mutable std::map<State, std::set<State> > eCloseCache;
+        virtual std::set<State> eClose(State) const;
     };
 
     std::string toDot(const DFA& d);
diff --git a/src/automata.cpp b/src/automata.cpp
index 7a6bc74..ee53f01 100644
--- a/src/automata.cpp
+++ b/src/automata.cpp
@@ -98,10 +98,6 @@ namespace lxs {
     }
 
     std::set<State> ENFA::eClose(State s) const {
-        auto cachedIt = eCloseCache.find(s);
-        if (cachedIt != eCloseCache.end()) {
-            return cachedIt->second;
-        }
         std::set<State> states;
         std::queue<State> statequeue;
         statequeue.push(s);
@@ -118,7 +114,7 @@ namespace lxs {
                 } 
             }
         } 
-        return eCloseCache[s] = states;
+        return states;
     }
 
     std::set<State> NFA::eClose(State s) const {