Make it compile for VC++

configuru.hpp

@@ -88,7 +88,15 @@ www.github.com/emilk/configuru
 		CONFIGURU_ONERROR(message_str)
 #endif // CONFIGURU_ON_DANGLING
 
+#ifdef __GNUC__
 #define CONFIGURU_NORETURN __attribute__((noreturn))
+#elif __MINGW32__
+#define CONFIGURU_NORETURN __attribute__((noreturn))
+#elif __clang__
+#define CONFIGURU_NORETURN __attribute__((noreturn))
+#elif _MSC_VER
+#define CONFIGURU_NORETURN
+#endif
 
 #ifndef CONFIGURU_IMPLICIT_CONVERSIONS
 	/// Set to 1 to allow  `int x = some_cfg,`
@@ -101,8 +109,6 @@ www.github.com/emilk/configuru
 	#define CONFIGURU_VALUE_SEMANTICS 0
 #endif
 
-#define CONFIGURU_NORETURN __attribute__((noreturn))
-
 #undef Bool // Needed on Ubuntu 14.04 with GCC 4.8.5
 #undef check // Needed on OSX
 
@@ -2884,7 +2890,7 @@ namespace configuru
 						_ptr += 1;
 						uint64_t codepoint = parse_hex(4);
 
-						if (0xD800 <= codepoint and codepoint <= 0xDBFF)
+						if (0xD800 <= codepoint && codepoint <= 0xDBFF)
 						{
 							// surrogate pair
 							parse_assert(_ptr[0] == '\\' && _ptr[1] == 'u',
@@ -3272,7 +3278,7 @@ namespace configuru
 			for (auto it=object.begin(); it!=object.end(); ++it) {
 				pairs.push_back(it);
 				if (align_values) {
-					longest_key = std::max(longest_key, it->first.size());
+					longest_key = (std::max)(longest_key, it->first.size());
 				}
 			}