Move operator<< to winrt::Windows::Foundation (#1576)

YexuanXiao · web-flow · commit 58811e1efe15 · 2026-05-14T09:27:24.000-07:00
diff --git a/strings/base_stringable_streams.h b/strings/base_stringable_streams.h
@@ -1,8 +1,11 @@
 
 #ifndef WINRT_LEAN_AND_MEAN
-inline std::wostream& operator<<(std::wostream& stream, winrt::Windows::Foundation::IStringable const& stringable)
+namespace winrt::Windows::Foundation
 {
-    stream << stringable.ToString();
-    return stream;
+    inline std::wostream& operator<<(std::wostream& stream, winrt::Windows::Foundation::IStringable const& stringable)
+    {
+        stream << stringable.ToString();
+        return stream;
+    }
 }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -1,8 +1,11 @@`
`1`	`1`
`2`	`2`	`#ifndef WINRT_LEAN_AND_MEAN`
`3`		`-inline std::wostream& operator<<(std::wostream& stream, winrt::Windows::Foundation::IStringable const& stringable)`
	`3`	`+namespace winrt::Windows::Foundation`
`4`	`4`	`{`
`5`		`- stream << stringable.ToString();`
`6`		`- return stream;`
	`5`	`+ inline std::wostream& operator<<(std::wostream& stream, winrt::Windows::Foundation::IStringable const& stringable)`
	`6`	`+ {`
	`7`	`+ stream << stringable.ToString();`
	`8`	`+ return stream;`
	`9`	`+ }`
`7`	`10`	`}`
`8`	`11`	`#endif`