Index: src/libcfa/containers/maybe
===================================================================
--- src/libcfa/containers/maybe	(revision 91c389a0cc77a9170087b8d43a7c6448d605c377)
+++ src/libcfa/containers/maybe	(revision e50e9ffe2229beb9e49fa8bc4a148017190a43e0)
@@ -9,12 +9,10 @@
 // Author           : Andrew Beach
 // Created On       : Wed May 24 14:43:00 2017
-// Last Modified By : Andrew Beach
-// Last Modified On : Fri Jun 16 15:42:00 2017
-// Update Count     : 2
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Sat Jul 22 10:00:52 2017
+// Update Count     : 4
 //
 
-
-#ifndef MAYBE_H
-#define MAYBE_H
+#pragma once
 
 #include <stdbool.h>
@@ -66,3 +64,6 @@
 void set_none(maybe(T) * this);
 
-#endif // MAYBE_H
+// Local Variables: //
+// mode: c //
+// tab-width: 4 //
+// End: //
Index: src/libcfa/containers/pair
===================================================================
--- src/libcfa/containers/pair	(revision 91c389a0cc77a9170087b8d43a7c6448d605c377)
+++ src/libcfa/containers/pair	(revision e50e9ffe2229beb9e49fa8bc4a148017190a43e0)
@@ -9,11 +9,10 @@
 // Author           : Aaron Moss
 // Created On       : Wed Apr 12 15:32:00 2017
-// Last Modified By : Aaron Moss
-// Last Modified On : Wed Apr 12 15:32:00 2017
-// Update Count     : 1
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Sat Jul 22 09:59:53 2017
+// Update Count     : 2
 //
 
-#ifndef PAIR_H
-#define PAIR_H
+#pragma once
 
 forall(otype R, otype S) struct pair {
@@ -44,6 +43,4 @@
 int ?>=?(pair(R, S) p, pair(R, S) q);
 
-#endif // PAIR_H
-
 // Local Variables: //
 // mode: c //
Index: src/libcfa/containers/result
===================================================================
--- src/libcfa/containers/result	(revision 91c389a0cc77a9170087b8d43a7c6448d605c377)
+++ src/libcfa/containers/result	(revision e50e9ffe2229beb9e49fa8bc4a148017190a43e0)
@@ -9,12 +9,10 @@
 // Author           : Andrew Beach
 // Created On       : Wed May 24 14:45:00 2017
-// Last Modified By : Andrew Beach
-// Last Modified On : Fri Jun 16 15:41:00 2017
-// Update Count     : 2
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Sat Jul 22 10:00:44 2017
+// Update Count     : 3
 //
 
-
-#ifndef RESULT_H
-#define RESULT_H
+#pragma once
 
 #include <stdbool.h>
@@ -78,3 +76,6 @@
 void set_error(result(T, E) * this, E error);
 
-#endif // RESULT_H
+// Local Variables: //
+// mode: c //
+// tab-width: 4 //
+// End: //
Index: src/libcfa/containers/vector
===================================================================
--- src/libcfa/containers/vector	(revision 91c389a0cc77a9170087b8d43a7c6448d605c377)
+++ src/libcfa/containers/vector	(revision e50e9ffe2229beb9e49fa8bc4a148017190a43e0)
@@ -10,10 +10,9 @@
 // Created On       : Tue Jul  5 18:00:07 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul  5 18:01:35 2016
-// Update Count     : 2
+// Last Modified On : Sat Jul 22 10:01:18 2017
+// Update Count     : 3
 //
 
-#ifndef VECTOR_H
-#define VECTOR_H
+#pragma once
 
 extern "C" {
@@ -166,6 +165,4 @@
 // }
 
-#endif // VECTOR_H
-
 // Local Variables: //
 // mode: c //