From ba879a882e031d7b8503f78fe41d1210000c96ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Fri, 16 Mar 2018 00:53:47 +0100
Subject: Use std::optional<bool> instead of OptionalBool

---
 src/utils/optional_bool.hpp | 48 +++++++++++++++------------------------------
 1 file changed, 16 insertions(+), 32 deletions(-)

(limited to 'src/utils/optional_bool.hpp')

diff --git a/src/utils/optional_bool.hpp b/src/utils/optional_bool.hpp
index 867aca2..c652ed3 100644
--- a/src/utils/optional_bool.hpp
+++ b/src/utils/optional_bool.hpp
@@ -1,37 +1,21 @@
 #pragma once
 
+#include <optional>
+
 #include <string>
 
-struct OptionalBool
+namespace std
 {
-  OptionalBool() = default;
-
-  OptionalBool(bool value):
-  is_set(true), value(value) {}
-
-  void set_value(bool value)
-  {
-    this->is_set = true;
-    this->value = value;
-  }
-
-  void unset()
-  {
-    this->is_set = false;
-  }
-
-  std::string to_string() const
-  {
-    if (this->is_set == false)
-      return "unset";
-    else if (this->value)
-      return "true";
-    else
-      return "false";
-  }
-
-  bool is_set{false};
-  bool value{false};
-};
-
-std::ostream& operator<<(std::ostream& os, const OptionalBool& o);
+inline
+std::string to_string(const std::optional<bool> b)
+{
+  if (!b)
+    return "unset";
+  else if (*b)
+    return "true";
+  else
+    return "false";
+}
+}
+
+std::ostream& operator<<(std::ostream& os, const std::optional<bool>& o);
-- 
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