#18-Implement method CppStringT::format()

schmouk · schmouk · commit e986ede548e0 · 2025-07-13T23:55:57.000+02:00
Completed. Not that immediate. Still to be tested.
diff --git a/cpp-strings/cppstrings.h b/cpp-strings/cppstrings.h
@@ -723,6 +723,15 @@ namespace pcs // i.e. "pythonic c++ strings"
         }
 
 
+        //---   format()   ----------------------------------------
+        /** Formats this string according to c++20 std::format() specification. Returns it (may be discarded). */
+        template<class... ArgsT>
+        inline CppStringT format(const std::format_string<ArgsT...> frmt, ArgsT&&... args)
+        {
+            return *this = std::vformat(frmt.get(), std::make_format_args(args...));
+        }
+
+
         //---   index()   -----------------------------------------
         /** Like find(const CppStringT&), but raises NotFoundException when the substring sub is not found.
         *

Original file line number	Diff line number	Diff line change
`@@ -723,6 +723,15 @@ namespace pcs // i.e. "pythonic c++ strings"`
`723`	`723`	`}`
`724`	`724`
`725`	`725`
	`726`	`+ //--- format() ----------------------------------------`
	`727`	`+ /** Formats this string according to c++20 std::format() specification. Returns it (may be discarded). */`
	`728`	`+ template<class... ArgsT>`
	`729`	`+ inline CppStringT format(const std::format_string<ArgsT...> frmt, ArgsT&&... args)`
	`730`	`+ {`
	`731`	`+ return *this = std::vformat(frmt.get(), std::make_format_args(args...));`
	`732`	`+ }`
	`733`	`+`
	`734`	`+`
`726`	`735`	`//--- index() -----------------------------------------`
`727`	`736`	`/** Like find(const CppStringT&), but raises NotFoundException when the substring sub is not found.`
`728`	`737`	`*`