| (1) | system_error (error_code ec, const string& what_arg); |
|---|---|
| (2) | system_error (error_code ec, const char* what_arg); |
| (3) | system_error (error_code ec); |
| (4) | system_error (int val, const error_category& cat, const string& what_arg); |
| (5) | system_error (int val, const error_category& cat, const char* what_arg); |
| (6) | system_error (int val, const error_category& cat); |