X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=doc%2Fexamples%2Fmystring.cpp;h=640f81eba84478e5a3d8a5b91d81edcf75a6b670;hb=d4ea19a525805e98ddbc8c88a4bb229763373c04;hp=bcbf96a889c84e748bce606bae5b18f48ad1a3d5;hpb=9413cd14faaf2980de3884915e22a5beda068ecc;p=ginac.git

diff --git a/doc/examples/mystring.cpp b/doc/examples/mystring.cpp
index bcbf96a8..640f81eb 100644
--- a/doc/examples/mystring.cpp
+++ b/doc/examples/mystring.cpp
@@ -4,9 +4,10 @@
 #include <iostream>
 #include <string>   
 #include <stdexcept>
-using namespace std;
 
 #include <ginac/ginac.h>
+
+using namespace std;
 using namespace GiNaC;
 
 class mystring : public basic
@@ -14,7 +15,7 @@ class mystring : public basic
 	GINAC_DECLARE_REGISTERED_CLASS(mystring, basic)
 public:
 	mystring(const string &s);
-	ex eval(int level) const override;
+	ex eval() const override;
 private:
 	string str;
 
@@ -54,7 +55,7 @@ void mystring::do_print(const print_context &c, unsigned level) const
  * evaluation: all strings automatically converted to lowercase with
  * non-alphabetic characters stripped, and empty strings removed
  */
-ex mystring::eval(int level) const
+ex mystring::eval() const
 {
 	string new_str;
 	for (size_t i=0; i<str.length(); i++) {