From 47122880860507d0433482e2d3ae34d1a3d243db Mon Sep 17 00:00:00 2001
From: Mio <a771644612@live.com>
Date: Tue, 6 Aug 2019 20:52:31 +0800
Subject: [PATCH] Change the format of required arguments

---
 include/argparse.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/argparse.hpp b/include/argparse.hpp
index 96e453d..bece74c 100644
--- a/include/argparse.hpp
+++ b/include/argparse.hpp
@@ -194,7 +194,11 @@ public:
   friend std::ostream& operator<<(std::ostream& stream, const Argument& argument) {
     std::stringstream nameStream;
     std::copy(std::begin(argument.mNames), std::end(argument.mNames), std::ostream_iterator<std::string>(nameStream, " "));
-    return stream << nameStream.str() << "\t" << argument.mHelp << "\n";
+	stream << nameStream.str() << "\t" << argument.mHelp;
+    if (argument.mIsRequired)
+      stream << "[Required]";
+    stream << "\n";
+    return stream;
   }