From 9a13d34825b36b9f06f221214258a83675e65a24 Mon Sep 17 00:00:00 2001
From: Jesus Gonzalez <jesus.gonzalez@ficosa.com>
Date: Mon, 15 Jan 2018 20:30:48 +0100
Subject: [PATCH] Add default "default" value of "false" to boolean options,
 therefore allowing to call result["boolOpt"].as<bool>() without throwing an
 exception.

---
 include/cxxopts.hpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp
index 6a6a85f..aa44a01 100644
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@@ -855,13 +855,13 @@ namespace cxxopts
 
       standard_value()
       {
-        set_implicit();
+        set_default_and_implicit();
       }
 
       standard_value(bool* b)
       : abstract_value(b)
       {
-        set_implicit();
+        set_default_and_implicit();
       }
 
       std::shared_ptr<Value>
@@ -873,8 +873,10 @@ namespace cxxopts
       private:
 
       void
-      set_implicit()
+      set_default_and_implicit()
       {
+        m_default = true;
+        m_default_value = "false";
         m_implicit = true;
         m_implicit_value = "true";
       }