From 49860895cedda1d100c3efcdff4e5f098ff6903e Mon Sep 17 00:00:00 2001
From: Thomas Fussell <thomas.fussell@gmail.com>
Date: Sun, 27 Nov 2016 15:44:41 +0100
Subject: [PATCH] fix typename outside of template error in msvc

---
 source/detail/number_formatter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/detail/number_formatter.cpp b/source/detail/number_formatter.cpp
index 7fe1b306..ae106100 100644
--- a/source/detail/number_formatter.cpp
+++ b/source/detail/number_formatter.cpp
@@ -638,7 +638,7 @@ void number_format_parser::finalize()
             auto temp = code.parts[exponent_index].placeholders.type;
             code.parts[exponent_index].placeholders = next.placeholders;
             code.parts[exponent_index].placeholders.type = temp;
-            code.parts.erase(code.parts.begin() + static_cast<typename std::vector<format_code>::difference_type>(exponent_index + 1));
+            code.parts.erase(code.parts.begin() + static_cast<std::ptrdiff_t>(exponent_index + 1));
 
             for (std::size_t i = 0; i < code.parts.size(); ++i)
             {