From cac3746bf0493b24870340bc2992301d5fbc2cbb Mon Sep 17 00:00:00 2001
From: Jamie Reece Wilson <me@reece.sx>
Date: Wed, 13 Mar 2024 02:03:56 +0000
Subject: [PATCH] [*] Update CmdLine prototype: AuOptional<const AuString &>
 GetValue(const AuString &key)

---
 Include/Aurora/CmdLine/CmdLine.hpp |  4 ++--
 Source/CmdLine/AuCmdLine.cpp       | 19 +++++++++++++++----
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/Include/Aurora/CmdLine/CmdLine.hpp b/Include/Aurora/CmdLine/CmdLine.hpp
index 5eb241fe..42586c93 100644
--- a/Include/Aurora/CmdLine/CmdLine.hpp
+++ b/Include/Aurora/CmdLine/CmdLine.hpp
@@ -39,11 +39,11 @@ namespace Aurora::CmdLine
     AUKN_SYM const AuString &GetValue(const AuString &key, const AuString &defaultValue);
     
     /**
-     * @brief Returns part after key= or an empty string
+     * @brief Returns part after key=
      * @param key 
      * @return 
      */
-    AUKN_SYM const AuString &GetValue(const AuString &key);
+    AUKN_SYM AuOptional<const AuString &> GetValue(const AuString &key);
 
     /**
      * @brief Returns a constant array of values; key=values and /key values
diff --git a/Source/CmdLine/AuCmdLine.cpp b/Source/CmdLine/AuCmdLine.cpp
index 00912d33..fee2a611 100644
--- a/Source/CmdLine/AuCmdLine.cpp
+++ b/Source/CmdLine/AuCmdLine.cpp
@@ -38,13 +38,24 @@ namespace Aurora::CmdLine
     AUKN_SYM const AuString &GetValue(const AuString &key, const AuString &defaultValue)
     {
         auto itr = gCmdValueMap.find(key);
-        if (itr == gCmdValueMap.end()) return defaultValue;
-        return itr->second;
+        if (itr == gCmdValueMap.end())
+        {
+            return defaultValue;
+        }
+        else
+        {
+            return itr->second;
+        }
     }
 
-    AUKN_SYM const AuString &GetValue(const AuString &key)
+    AUKN_SYM AuOptional<const AuString &> GetValue(const AuString &key)
     {
-        return GetValue(key, kEmptyString);
+        auto itr = gCmdValueMap.find(key);
+        if (itr == gCmdValueMap.end())
+        {
+            return AuOptional<const AuString &> {};
+        }
+        return itr->second;
     }
 
     AUKN_SYM const AuList<AuString> &GetValues(const AuString &key)