Make the formatter for IStringable const (#1270)

sylveon · web-flow · commit 047c179f15fe · 2023-02-05T15:21:16.000-06:00
diff --git a/strings/base_stringable_format.h b/strings/base_stringable_format.h
@@ -1,7 +1,7 @@
 
 #ifdef __cpp_lib_format
 template <typename FormatContext>
-auto std::formatter<winrt::Windows::Foundation::IStringable, wchar_t>::format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc)
+auto std::formatter<winrt::Windows::Foundation::IStringable, wchar_t>::format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc) const
 {
     return std::formatter<winrt::hstring, wchar_t>::format(obj.ToString(), fc);
 }
diff --git a/strings/base_stringable_format_1.h b/strings/base_stringable_format_1.h
@@ -4,6 +4,6 @@ template <>
 struct std::formatter<winrt::Windows::Foundation::IStringable, wchar_t> : std::formatter<winrt::hstring, wchar_t>
 {
     template <typename FormatContext>
-    auto format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc);
+    auto format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc) const;
 };
 #endif

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`
`2`	`2`	`#ifdef __cpp_lib_format`
`3`	`3`	`template <typename FormatContext>`
`4`		`-auto std::formatter<winrt::Windows::Foundation::IStringable, wchar_t>::format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc)`
	`4`	`+auto std::formatter<winrt::Windows::Foundation::IStringable, wchar_t>::format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc) const`
`5`	`5`	`{`
`6`	`6`	`return std::formatter<winrt::hstring, wchar_t>::format(obj.ToString(), fc);`
`7`	`7`	`}`
Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,6 @@ template <>`
`4`	`4`	`struct std::formatter<winrt::Windows::Foundation::IStringable, wchar_t> : std::formatter<winrt::hstring, wchar_t>`
`5`	`5`	`{`
`6`	`6`	`template <typename FormatContext>`
`7`		`- auto format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc);`
	`7`	`+ auto format(winrt::Windows::Foundation::IStringable const& obj, FormatContext& fc) const;`
`8`	`8`	`};`
`9`	`9`	`#endif`