From 30e436bba66673e17728e3ba3291b58dd16c1696 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 7 Jul 2018 10:46:25 +0200
Subject: Add optional message to invalid_option exception

---
 cli/options.ixx | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'cli/options.ixx')

diff --git a/cli/options.ixx b/cli/options.ixx
index 5111030..4c5cfb7 100644
--- a/cli/options.ixx
+++ b/cli/options.ixx
@@ -84,8 +84,11 @@ namespace cli
   //
   inline invalid_value::
   invalid_value (const std::string& option,
-                 const std::string& value)
-  : option_ (option),  value_ (value)
+                 const std::string& value,
+                 const std::string& message)
+  : option_ (option),
+    value_ (value),
+    message_ (message)
   {
   }
 
@@ -101,6 +104,12 @@ namespace cli
     return value_;
   }
 
+  inline const std::string& invalid_value::
+  message () const
+  {
+    return message_;
+  }
+
   // file_io_failure
   //
   inline file_io_failure::
-- 
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