arsd terminal with ConsoleOutputType.cellular

[Adam D. Ruppe]

On Saturday, 13 July 2019 at 13:41:41 UTC, Jani Hur wrote:
> Other arsd.terminal related question. How to clear a line when 
> it is re-used ?

You need to print a number of spaces at the end to clear what's 
after it. Maybe like a loop from string.length .. terminal.width 
-1 and write(" ").

(maybe i should add a function for that)