From e34676f73e49eeff30cb101f1c5ba8806fbe6773 Mon Sep 17 00:00:00 2001
From: Jack Clarke <me@jackclarke.xyz>
Date: Sun, 12 May 2019 23:33:15 +0100
Subject: [PATCH] fix sign conversion warnings (#174)

---
 include/cxxopts.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp
index 5b7b37d..0c90c03 100644
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@@ -568,15 +568,15 @@ namespace cxxopts
 
         if (*iter >= '0' && *iter <= '9')
         {
-          digit = *iter - '0';
+          digit = static_cast<US>(*iter - '0');
         }
         else if (base == 16 && *iter >= 'a' && *iter <= 'f')
         {
-          digit = *iter - 'a' + 10;
+          digit = static_cast<US>(*iter - 'a' + 10);
         }
         else if (base == 16 && *iter >= 'A' && *iter <= 'F')
         {
-          digit = *iter - 'A' + 10;
+          digit = static_cast<US>(*iter - 'A' + 10);
         }
         else
         {
@@ -601,7 +601,7 @@ namespace cxxopts
       }
       else
       {
-        value = result;
+        value = static_cast<T>(result);
       }
     }