add attention about the string_to interface usage

diff --git a/src/stringfunc.hxx b/src/stringfunc.hxx
index 673ee7c..b91a18f 100644 (file)
--- a/src/stringfunc.hxx
+++ b/src/stringfunc.hxx
@@ -167,6 +167,8 @@ T string_to(const std::string& s)
  * @param s the string which should be converted to @a T.
  * @param result the resulting value of type @a T.
  * @return @a true iff the internal string stream was EOF after the conversion.
+ *
+ * @attention: does not return if the conversion was successful. So check for empty strings before.
  */
 template<
 class T