Apply the formatting specified in .clang-format file.

  $ clang-format --version
  clang-format version 7.0.0 (tags/google/stable/2018-01-11)
  $ clang-format -i --style=file $(find . -name '*.cpp' -o -name '*.h')
diff --git a/include/json/assertions.h b/include/json/assertions.h
index 1cca28d..482c4ca 100644
--- a/include/json/assertions.h
+++ b/include/json/assertions.h
@@ -6,8 +6,8 @@
 #ifndef CPPTL_JSON_ASSERTIONS_H_INCLUDED
 #define CPPTL_JSON_ASSERTIONS_H_INCLUDED
 
-#include <stdlib.h>
 #include <sstream>
+#include <stdlib.h>
 
 #if !defined(JSON_IS_AMALGAMATION)
 #include "config.h"
@@ -20,30 +20,35 @@
 #if JSON_USE_EXCEPTION
 
 // @todo <= add detail about condition in exception
-# define JSON_ASSERT(condition)                                                \
-  {if (!(condition)) {Json::throwLogicError( "assert json failed" );}}
-
-# define JSON_FAIL_MESSAGE(message)                                            \
+#define JSON_ASSERT(condition)                                                 \
   {                                                                            \
-    JSONCPP_OSTRINGSTREAM oss; oss << message;                                    \
+    if (!(condition)) {                                                        \
+      Json::throwLogicError("assert json failed");                             \
+    }                                                                          \
+  }
+
+#define JSON_FAIL_MESSAGE(message)                                             \
+  {                                                                            \
+    JSONCPP_OSTRINGSTREAM oss;                                                 \
+    oss << message;                                                            \
     Json::throwLogicError(oss.str());                                          \
     abort();                                                                   \
   }
 
 #else // JSON_USE_EXCEPTION
 
-# define JSON_ASSERT(condition) assert(condition)
+#define JSON_ASSERT(condition) assert(condition)
 
 // The call to assert() will show the failure message in debug builds. In
 // release builds we abort, for a core-dump or debugger.
-# define JSON_FAIL_MESSAGE(message)                                            \
+#define JSON_FAIL_MESSAGE(message)                                             \
   {                                                                            \
-    JSONCPP_OSTRINGSTREAM oss; oss << message;                                    \
+    JSONCPP_OSTRINGSTREAM oss;                                                 \
+    oss << message;                                                            \
     assert(false && oss.str().c_str());                                        \
     abort();                                                                   \
   }
 
-
 #endif
 
 #define JSON_ASSERT_MESSAGE(condition, message)                                \