28 #ifndef DISPLAY_ERRORS_H_
29 #define DISPLAY_ERRORS_H_
37 const char*
what()
const throw() {
40 const std::string
str;
46 const char*
what()
const throw() {
49 const std::string
str;
internal_error(const std::string &err)
const char * what() const
runtime_error(const char *err="runtime viewer error")
internal_error(const char *err="internal viewer inconsistency")
const char * what() const