From 46873e093139b68f74355a67b1f53b74b108750e Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 31 Jan 2017 20:29:53 +1100
Subject: [PATCH] cmdopt: remove unnecessary virtual keywords

---
 cmdopt.hpp | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/cmdopt.hpp b/cmdopt.hpp
index 438cd477..27575c29 100644
--- a/cmdopt.hpp
+++ b/cmdopt.hpp
@@ -125,6 +125,7 @@ namespace util::cmdopt {
     }
 
 
+    //-------------------------------------------------------------------------
     class parser {
     public:
         template <typename T, typename ...Args>
@@ -161,40 +162,46 @@ namespace util::cmdopt {
     };
 
 
+    ///////////////////////////////////////////////////////////////////////////
     class error : public std::exception { };
 
+    //-------------------------------------------------------------------------
     class invalid_key : public error {
     public:
         invalid_key (std::string _key);
-        virtual const char* what (void) const noexcept override;
+        const char* what (void) const noexcept override;
 
     private:
         const std::string m_key;
     };
 
+    //-------------------------------------------------------------------------
     class invalid_value : public error {
     public:
         invalid_value (std::string _value);
-        virtual const char* what (void) const noexcept override;
+        const char* what (void) const noexcept override;
 
     private:
         const std::string m_value;
     };
 
+    //-------------------------------------------------------------------------
     class invalid_null : public error {
     public:
-        virtual const char* what (void) const noexcept override;
+        const char* what (void) const noexcept override;
     };
 
+    //-------------------------------------------------------------------------
     class invalid_required : public error {
     public:
-        virtual const char* what (void) const noexcept override;
+        const char* what (void) const noexcept override;
     };
 
+    //-------------------------------------------------------------------------
     class unhandled_argument : public error {
     public:
         unhandled_argument (int index);
-        virtual const char* what (void) const noexcept override;
+        const char* what (void) const noexcept override;
 
         int index (void) const noexcept;