From 360228eabfed55c68869bf984ef33b08e33a941c Mon Sep 17 00:00:00 2001
From: Erik Partridge <erikdevelopments@gmail.com>
Date: Tue, 26 Jun 2018 03:40:12 -0400
Subject: [PATCH] Fix the std::transform bug (#56)

https://stackoverflow.com/questions/16792456/no-matching-function-for-call-to-transform

This is a fix for using toupper and tolower with std::transform
---
 src/inja.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/inja.hpp b/src/inja.hpp
index 518246a..c5705d9 100644
--- a/src/inja.hpp
+++ b/src/inja.hpp
@@ -396,12 +396,12 @@ public:
 		switch (element.function) {
 			case Parsed::Function::Upper: {
 				std::string str = eval_expression<std::string>(element.args[0], data);
-				std::transform(str.begin(), str.end(), str.begin(), toupper);
+				std::transform(str.begin(), str.end(), str.begin(), ::toupper);
 				return str;
 			}
 			case Parsed::Function::Lower: {
 				std::string str = eval_expression<std::string>(element.args[0], data);
-				std::transform(str.begin(), str.end(), str.begin(), tolower);
+				std::transform(str.begin(), str.end(), str.begin(), ::tolower);
 				return str;
 			}
 			case Parsed::Function::Range: {