| main:-catch(get_y,Err,handle_error(Err)),halt. | |
| main :- halt(1). | |
| handle_error(_Err):- | |
| halt(1). | |
| get_y :- | |
| repeat,writeln("Please enter \"y\":"), | |
| read_string(user_input,"\n\r","\n\r",_,S), | |
| S="y",!. |
| main:-catch(get_y,Err,handle_error(Err)),halt. | |
| main :- halt(1). | |
| handle_error(_Err):- | |
| halt(1). | |
| get_y :- | |
| repeat,writeln("Please enter \"y\":"), | |
| read_string(user_input,"\n\r","\n\r",_,S), | |
| S="y",!. |