@ -264,7 +264,7 @@ fn main() {
fn spawn_watch_shell ( failed_exercise_hint : & Arc < Mutex < Option < String > > > ) {
let failed_exercise_hint = Arc ::clone ( failed_exercise_hint ) ;
println! ( " Type 'hint' or open the corresponding README.md file to get help or type 'clear' to clear the screen .") ;
println! ( " Welcome to watch mode! You can type 'help' to get an overview of the commands you can use here .") ;
thread ::spawn ( move | | loop {
let mut input = String ::new ( ) ;
match io ::stdin ( ) . read_line ( & mut input ) {
@ -276,6 +276,18 @@ fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
}
} else if input . eq ( "clear" ) {
println! ( "\x1B[2J\x1B[1;1H" ) ;
} else if input . eq ( "quit" ) {
println! ( "Bye!" ) ;
std ::process ::exit ( 0 ) ;
} else if input . eq ( "help" ) {
println! ( "Commands available to you in watch mode:" ) ;
println! ( " hint - prints the current exercise's hint" ) ;
println! ( " clear - clears the screen" ) ;
println! ( " quit - quits watch mode" ) ;
println! ( " help - displays this help message" ) ;
println! ( "" ) ;
println! ( "Watch mode automatically re-evaluates the current exercise" ) ;
println! ( "when you edit a file's contents." )
} else {
println! ( "unknown command: {}" , input ) ;
}