From c4d4bf04be0bc24ada34998a69617a3b69aa0411 Mon Sep 17 00:00:00 2001
From: Volker Berlin <volker.berlin@googlemail.com>
Date: Sun, 3 May 2020 09:20:49 +0200
Subject: [PATCH] does not create a reference on a isUsed check to reduce
 memory usage

---
 .../inetsoftware/jwebassembly/module/FunctionManager.java | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/de/inetsoftware/jwebassembly/module/FunctionManager.java b/src/de/inetsoftware/jwebassembly/module/FunctionManager.java
index df9dac0..b0f116c 100644
--- a/src/de/inetsoftware/jwebassembly/module/FunctionManager.java
+++ b/src/de/inetsoftware/jwebassembly/module/FunctionManager.java
@@ -345,12 +345,8 @@ class FunctionManager {
      * @return true, if used
      */
     boolean isUsed( @Nonnull FunctionName name ) {
-        switch( getOrCreate( name ).state ) {
-            case None:
-                return false;
-            default:
-                return true;
-        }
+        FunctionState state = states.get( name );
+        return state != null && state.state != State.None;
     }
 
     /**