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instance method
IO#scroll_backward
(::int) -> self
io.scroll_backward(n) → io
ext/io/console/console.c
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static VALUE
console_scroll_backward(VALUE io, VALUE val)
{
return console_scroll(io, -NUM2INT(val));
}
Scrolls the entire scrolls backward n lines.
You must require ‘io/console’ to use this method.