Move Catch::always_false into decomposer.hpp

Author: horenmar

src/catch2/internal/catch_decomposer.hpp

@@ -10,7 +10,6 @@
 
 #include <catch2/catch_tostring.hpp>
 #include <catch2/internal/catch_stringref.hpp>
-#include <catch2/internal/catch_meta.hpp>
 #include <catch2/internal/catch_compare_traits.hpp>
 #include <catch2/internal/catch_test_failure_exception.hpp>
 #include <catch2/internal/catch_logical_traits.hpp>
@@ -37,6 +36,9 @@
 
 namespace Catch {
 
+    template <typename T>
+    struct always_false : std::false_type {};
+
     class ITransientExpression {
         bool m_isBinaryExpression;
         bool m_result;

src/catch2/internal/catch_meta.hpp

@@ -11,10 +11,9 @@
 #include <type_traits>
 
 namespace Catch {
-    template<typename T>
-    struct always_false : std::false_type {};
+    template <typename>
+    struct true_given : std::true_type {};
 
-    template <typename> struct true_given : std::true_type {};
     struct is_callable_tester {
         template <typename Fun, typename... Args>
         static true_given<decltype(std::declval<Fun>()(std::declval<Args>()...))> test(int);