Move stored_function into its own module

Author: davidstone

CMakeLists.txt

@@ -360,6 +360,7 @@ target_sources(containers PUBLIC
 		source/containers/splicable.cpp
 		source/containers/stable_vector.cpp
 		source/containers/static_vector.cpp
+		source/containers/stored_function.cpp
 		source/containers/string.cpp
 		source/containers/supports_lazy_insert_after.cpp
 		source/containers/take.cpp

source/containers/algorithms/generate.cpp

@@ -14,6 +14,7 @@ import containers.array;
 import containers.common_iterator_functions;
 import containers.index_type;
 import containers.offset_type;
+import containers.stored_function;
 
 import bounded;
 import numeric_traits;
@@ -25,13 +26,6 @@ using namespace bounded::literal;
 
 namespace containers {
 
-template<typename Function>
-using stored_function = std::conditional_t<
-	std::is_empty_v<Function> and std::is_trivially_copyable_v<Function>,
-	std::remove_const_t<Function>,
-	decltype(std::reference_wrapper(bounded::declval<Function &>()))
->;
-
 template<typename LHS, typename RHS>
 concept construct_subtractable = requires(LHS const lhs, RHS const rhs) {
 	LHS(lhs - rhs);

source/containers/stored_function.cpp

@@ -0,0 +1,20 @@
+// Copyright David Stone 2023.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+export module containers.stored_function;
+
+import bounded;
+import std_module;
+
+namespace containers {
+
+export template<typename Function>
+using stored_function = std::conditional_t<
+	std::is_empty_v<Function> and std::is_trivially_copyable_v<Function>,
+	std::remove_const_t<Function>,
+	decltype(std::reference_wrapper(bounded::declval<Function &>()))
+>;
+
+} // namespace containers