This only works in terminal emulators. In other environments, it does nothing.
ansi_hide_cursor(stream = stderr())ansi_show_cursor(stream = stderr())
ansi_with_hidden_cursor(expr, stream = stderr())
The stream of the terminal to output the ANSI sequence to.
R expression to evaluate.
ansi_hide_cursor() hides the cursor.
ansi_show_cursor() shows the cursor.
ansi_with_hidden_cursor() temporarily hides the cursor for
evaluating an expression.