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/allocator.h b/include/json/allocator.h
index 9c7e573..d5f987e 100644
--- a/include/json/allocator.h
+++ b/include/json/allocator.h
@@ -12,86 +12,77 @@
 #pragma pack(push, 8)
 
 namespace Json {
-template<typename T>
-class SecureAllocator {
-	public:
-		// Type definitions
-		using value_type      = T;
-		using pointer         = T*;
-		using const_pointer   = const T*;
-		using reference       = T&;
-		using const_reference = const T&;
-		using size_type       = std::size_t;
-		using difference_type = std::ptrdiff_t;
+template <typename T> class SecureAllocator {
+public:
+  // Type definitions
+  using value_type = T;
+  using pointer = T*;
+  using const_pointer = const T*;
+  using reference = T&;
+  using const_reference = const T&;
+  using size_type = std::size_t;
+  using difference_type = std::ptrdiff_t;
 
-		/**
-		 * Allocate memory for N items using the standard allocator.
-		 */
-		pointer allocate(size_type n) {
-			// allocate using "global operator new"
-			return static_cast<pointer>(::operator new(n * sizeof(T)));
-		}
+  /**
+   * Allocate memory for N items using the standard allocator.
+   */
+  pointer allocate(size_type n) {
+    // allocate using "global operator new"
+    return static_cast<pointer>(::operator new(n * sizeof(T)));
+  }
 
-		/**
-		 * Release memory which was allocated for N items at pointer P.
-		 *
-		 * The memory block is filled with zeroes before being released.
-		 * The pointer argument is tagged as "volatile" to prevent the
-		 * compiler optimizing out this critical step.
-		 */
-		void deallocate(volatile pointer p, size_type n) {
-			std::memset(p, 0, n * sizeof(T));
-			// free using "global operator delete"
-			::operator delete(p);
-		}
+  /**
+   * Release memory which was allocated for N items at pointer P.
+   *
+   * The memory block is filled with zeroes before being released.
+   * The pointer argument is tagged as "volatile" to prevent the
+   * compiler optimizing out this critical step.
+   */
+  void deallocate(volatile pointer p, size_type n) {
+    std::memset(p, 0, n * sizeof(T));
+    // free using "global operator delete"
+    ::operator delete(p);
+  }
 
-		/**
-		 * Construct an item in-place at pointer P.
-		 */
-		template<typename... Args>
-		void construct(pointer p, Args&&... args) {
-			// construct using "placement new" and "perfect forwarding"
-			::new (static_cast<void*>(p)) T(std::forward<Args>(args)...);
-		}
+  /**
+   * Construct an item in-place at pointer P.
+   */
+  template <typename... Args> void construct(pointer p, Args&&... args) {
+    // construct using "placement new" and "perfect forwarding"
+    ::new (static_cast<void*>(p)) T(std::forward<Args>(args)...);
+  }
 
-		size_type max_size() const {
-			return size_t(-1) / sizeof(T);
-		}
+  size_type max_size() const { return size_t(-1) / sizeof(T); }
 
-		pointer address( reference x ) const {
-			return std::addressof(x);
-		}
+  pointer address(reference x) const { return std::addressof(x); }
 
-		const_pointer address( const_reference x ) const {
-			return std::addressof(x);
-		}
+  const_pointer address(const_reference x) const { return std::addressof(x); }
 
-		/**
-		 * Destroy an item in-place at pointer P.
-		 */
-		void destroy(pointer p) {
-			// destroy using "explicit destructor"
-			p->~T();
-		}
+  /**
+   * Destroy an item in-place at pointer P.
+   */
+  void destroy(pointer p) {
+    // destroy using "explicit destructor"
+    p->~T();
+  }
 
-		// Boilerplate
-		SecureAllocator() {}
-		template<typename U> SecureAllocator(const SecureAllocator<U>&) {}
-		template<typename U> struct rebind { using other = SecureAllocator<U>; };
+  // Boilerplate
+  SecureAllocator() {}
+  template <typename U> SecureAllocator(const SecureAllocator<U>&) {}
+  template <typename U> struct rebind { using other = SecureAllocator<U>; };
 };
 
-
-template<typename T, typename U>
+template <typename T, typename U>
 bool operator==(const SecureAllocator<T>&, const SecureAllocator<U>&) {
-	return true;
+  return true;
 }
 
-template<typename T, typename U>
+template <typename T, typename U>
 bool operator!=(const SecureAllocator<T>&, const SecureAllocator<U>&) {
-	return false;
+  return false;
 }
 
-} //namespace Json
+} // namespace Json
 
 #pragma pack(pop)