diff --git a/source/coral.cpp b/source/coral.cpp
index 8843e77..b12d493 100644
--- a/source/coral.cpp
+++ b/source/coral.cpp
@@ -286,14 +286,16 @@ export void operator delete[](void * pointer, coral::allocator & allocator) {
 
 // Wrapper types.
 export namespace coral {
-	template<typename type, typename... arguments> concept function_pointer = requires (type value, arguments... value_arguments) {
-		{*value};
-		{value(value_arguments...)};
-	};
+	template<typename type, typename... arguments> concept function_pointer =
+		requires (type value, arguments... value_arguments) {
+			{*value};
+			{value(value_arguments...)};
+		};
 
-	template<typename type, typename... arguments> concept functor = requires (type value, arguments... value_arguments) {
-		{value.operator()(value_arguments...)};
-	};
+	template<typename type, typename... arguments> concept functor =
+		requires (type value, arguments... value_arguments) {
+			{value.operator()(value_arguments...)};
+		};
 
 	template<typename> struct closure;
 
@@ -305,7 +307,7 @@ export namespace coral {
 	 * the caller to manage the lifetime of any functor assigned to it.
 	 */
 	template<typename returns, typename... arguments> struct closure<returns(arguments...)> {
-		template<typename callable> closure(callable const & call) requires function_pointer<callable, arguments...> {
+		template<typename callable> closure(callable call) requires function_pointer<callable, arguments...> {
 			this->dispatch = [](void * context, arguments... dispatch_arguments) -> returns {
 				return (*reinterpret_cast<callable *>(context))(dispatch_arguments...);
 			};