Try for better std hygiene

Author: DefaultRyan

strings/base_collections_map.h

@@ -116,7 +116,7 @@ WINRT_EXPORT namespace winrt
     }
 }
 
-WINRT_EXPORT namespace std
+WINRT_IMPL_STD_EXPORT namespace std
 {
     template<typename K, typename V>
     struct tuple_size<winrt::Windows::Foundation::Collections::IKeyValuePair<K, V>>

strings/base_coroutine_foundation.h

@@ -704,7 +704,7 @@ WINRT_EXPORT namespace winrt::impl
     };
 }
 
-WINRT_EXPORT namespace std
+WINRT_IMPL_STD_EXPORT namespace std
 {
     template <typename... Args>
     struct coroutine_traits<winrt::Windows::Foundation::IAsyncAction, Args...>

strings/base_coroutine_threadpool.h

@@ -671,7 +671,7 @@ WINRT_EXPORT namespace winrt
     struct fire_and_forget {};
 }
 
-WINRT_EXPORT namespace std
+WINRT_IMPL_STD_EXPORT namespace std
 {
     template <typename... Args>
     struct coroutine_traits<winrt::fire_and_forget, Args...>

strings/base_std_hash.h

@@ -32,7 +32,7 @@ WINRT_EXPORT namespace winrt::impl
     };
 }
 
-WINRT_EXPORT namespace std
+WINRT_IMPL_STD_EXPORT namespace std
 {
     template<> struct hash<winrt::hstring>
     {

test/nuget/TestModuleApp/main.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 
 #define WINRT_IMPORT_MODULE
+import std;
 import winrt.Windows.Foundation;
 import winrt.Windows.UI.Xaml;
 
@@ -17,10 +18,10 @@ int main()
     // Test ModuleTestHelper
     auto helper = TestModuleApp::ModuleTestHelper();
     auto uri = helper.CreateUri(L"https://example.com");
-    printf("URI: %ls\n", uri.AbsoluteUri().c_str());
+    std::printf("URI: %ls\n", uri.AbsoluteUri().c_str());
 
     auto str = helper.GetStringAsync().get();
-    printf("Async: %ls\n", str.c_str());
+    std::printf("Async: %ls\n", str.c_str());
 
     // Test CustomDependencyObject (inherits from DependencyObject)
     // Note: DependencyObject requires XAML runtime, which isn't available in a console app.
@@ -29,13 +30,13 @@ int main()
     {
         auto obj = winrt::make<TestModuleApp::implementation::CustomDependencyObject>();
         obj.Name(L"test");
-        printf("Name: %ls\n", obj.Name().c_str());
+        std::printf("Name: %ls\n", obj.Name().c_str());
     }
     catch (winrt::hresult_error const& e)
     {
-        printf("CustomDependencyObject: expected runtime error (no XAML host): %ls\n", e.message().c_str());
+        std::printf("CustomDependencyObject: expected runtime error (no XAML host): %ls\n", e.message().c_str());
     }
 
-    printf("All module tests passed.\n");
+    std::printf("All module tests passed.\n");
     return 0;
 }

test/nuget/TestModuleConsumerApp/main.cpp

@@ -1,5 +1,6 @@
 #include "pch.h"
 
+import std;
 import winrt.Windows.Foundation;
 import winrt.TestModuleComponent1;
 import winrt.TestModuleComponent2;
@@ -13,19 +14,19 @@ int main()
 
     // Platform types from pre-built modules
     Uri uri(L"https://example.com/consumer");
-    printf("URI: %ls\n", uri.AbsoluteUri().c_str());
+    std::printf("URI: %ls\n", uri.AbsoluteUri().c_str());
 
     // Component1
     auto greeter = TestModuleComponent1::Greeter(L"Modules");
-    printf("Greet: %ls\n", greeter.Greet().c_str());
-    printf("Homepage: %ls\n", greeter.Homepage().AbsoluteUri().c_str());
+    std::printf("Greet: %ls\n", greeter.Greet().c_str());
+    std::printf("Homepage: %ls\n", greeter.Homepage().AbsoluteUri().c_str());
 
     // Component2 (depends on Component1)
     auto group = TestModuleComponent2::GreeterGroup();
     group.Add(TestModuleComponent1::Greeter(L"Alice"));
     group.Add(TestModuleComponent1::Greeter(L"Bob"));
-    printf("GreetAll: %ls\n", group.GreetAll().c_str());
+    std::printf("GreetAll: %ls\n", group.GreetAll().c_str());
 
-    printf("All consumer tests passed.\n");
+    std::printf("All consumer tests passed.\n");
     return 0;
 }