Changes between Version 8 and Version 9 of Docs/Prog/Manual/ApplicationLibraries/lib825ev/String/StrFmt

Timestamp:

04/13/23 06:59:25 (13 months ago)

Author:

Don Wilson

Comment:

--

Docs/Prog/Manual/ApplicationLibraries/lib825ev/String/StrFmt

@@ -4 +4 @@
 {{{
 string StrFmt(const char* pszFmt, ...);
+
+void StrFmt(string& str, const char* pszFmt, ...);
 }}}
 
@@ -29 +31 @@
 }}}
 
+The version of StrFmt shown below that takes a reference to the string as a parameter is more efficient. This is because it doesn't have to create the string, and pass it as a return value to tbe recreated.
+{{{
+int nVal = 123;
+string strID = "ABC";
+
+string strMsg;
+StrFmt(strMsg, "Number: %d ID: %s", nVal, strID.c_str());
+}}}
+
 
 == See Also ==