From 90d84416821bfa9c6dce0dd10a7affa76b3e57f8 Mon Sep 17 00:00:00 2001
From: think <think@hotmail.de>
Date: Sun, 19 Nov 2017 09:28:14 +0100
Subject: [PATCH 1/2] avoid double closing file in case of error

---
 src/vectorflow/neuralnet.d | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/vectorflow/neuralnet.d b/src/vectorflow/neuralnet.d
index 41e5d1e..1f6cc3b 100644
--- a/src/vectorflow/neuralnet.d
+++ b/src/vectorflow/neuralnet.d
@@ -590,10 +590,8 @@ class NeuralNet {
     void serialize(string path)
     {
         auto f = File(path, "w");
-        scope(exit) f.close();
         scope(failure)
         {
-            f.close();
             try
             {
                 writeln("Serialization failed.");
@@ -605,6 +603,7 @@ class NeuralNet {
                         "` after serialization failure: ", e);
             }
         }
+        scope(exit) f.close();
 
         auto ser = new Serializer(&f);
 

From 4c7cbd7ae3bf3b8fd21f8f98786d0e017b638a2b Mon Sep 17 00:00:00 2001
From: think <think@hotmail.de>
Date: Mon, 20 Nov 2017 18:57:25 +0100
Subject: [PATCH 2/2] removed all file.close() calls, cause file gets closed
 when scope is left

---
 src/vectorflow/neuralnet.d | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/vectorflow/neuralnet.d b/src/vectorflow/neuralnet.d
index 1f6cc3b..f7cb302 100644
--- a/src/vectorflow/neuralnet.d
+++ b/src/vectorflow/neuralnet.d
@@ -603,7 +603,6 @@ class NeuralNet {
                         "` after serialization failure: ", e);
             }
         }
-        scope(exit) f.close();
 
         auto ser = new Serializer(&f);
 
@@ -639,9 +638,6 @@ class NeuralNet {
         if(!exists(path))
             throw new Exception("File does not exists: " ~ path);
         auto f = File(path, "r");
-        scope(exit) f.close();
-        scope(failure) f.close();
-
         auto nn = new NeuralNet();
 
         auto deser = new Serializer(&f);