diff --git a/.clang-format b/.clang-format
new file mode 100644
index 00000000..181605d5
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1 @@
+AlwaysBreakTemplateDeclarations: true
diff --git a/include/cxx.h b/include/cxx.h
index f7decd80..a8239a12 100644
--- a/include/cxx.h
+++ b/include/cxx.h
@@ -85,7 +85,8 @@ private:
 
 #ifndef CXXBRIDGE02_RUST_BOX
 #define CXXBRIDGE02_RUST_BOX
-template <typename T> class Box final {
+template <typename T>
+class Box final {
 public:
   using value_type = T;
   using const_pointer = typename std::add_pointer<
@@ -132,7 +133,8 @@ public:
   T *operator->() noexcept { return this->ptr; }
   T &operator*() noexcept { return *this->ptr; }
 
-  template <typename... Fields> static Box in_place(Fields &&... fields) {
+  template <typename... Fields>
+  static Box in_place(Fields &&... fields) {
     Box box;
     box.uninit();
     ::new (box.ptr) T{std::forward<Fields>(fields)...};
@@ -163,7 +165,8 @@ private:
 
 #ifndef CXXBRIDGE02_RUST_FN
 #define CXXBRIDGE02_RUST_FN
-template <typename Signature, bool Throws = false> class Fn;
+template <typename Signature, bool Throws = false>
+class Fn;
 
 template <typename Ret, typename... Args, bool Throws>
 class Fn<Ret(Args...), Throws> {
@@ -176,7 +179,8 @@ private:
   void *fn;
 };
 
-template <typename Signature> using TryFn = Fn<Signature, true>;
+template <typename Signature>
+using TryFn = Fn<Signature, true>;
 #endif // CXXBRIDGE02_RUST_FN
 
 #ifndef CXXBRIDGE02_RUST_ERROR
@@ -209,11 +213,13 @@ std::ostream &operator<<(std::ostream &, const Str &);
 // Snake case aliases for use in code that uses this style for type names.
 using string = String;
 using str = Str;
-template <class T> using box = Box<T>;
+template <class T>
+using box = Box<T>;
 using error = Error;
 template <typename Signature, bool Throws = false>
 using fn = Fn<Signature, Throws>;
-template <typename Signature> using try_fn = TryFn<Signature>;
+template <typename Signature>
+using try_fn = TryFn<Signature>;
 
 #ifndef CXXBRIDGE02_RUST_BITCOPY
 #define CXXBRIDGE02_RUST_BITCOPY
diff --git a/src/cxx.cc b/src/cxx.cc
index e8ec979d..b64333c7 100644
--- a/src/cxx.cc
+++ b/src/cxx.cc
@@ -5,7 +5,8 @@
 #include <memory>
 #include <stdexcept>
 
-template <typename Exception> static void panic [[noreturn]] (const char *msg) {
+template <typename Exception>
+static void panic [[noreturn]] (const char *msg) {
 #if defined(RUST_CXX_NO_EXCEPTIONS)
   std::cerr << "Error: " << msg << ". Aborting." << std::endl;
   std::terminate();