use_readline=(opt) Instance Public methods Obsolete method.

math_mode=(opt) Instance Public methods Sets bc mode, which loads lib/mathn

inspect?() Instance Public methods Whether inspect_mode is set or not, see

inspect_mode=(opt) Instance Public methods Specifies the inspect mode with

main() Instance Public methods The top-level workspace, see IRB::WorkSpace#main

new(irb, workspace = nil, input_method = nil, output_method = nil) Class Public methods

home_workspace() Instance Public methods Inherited from TOPLEVEL_BINDING

use_loader() Instance Public methods Returns whether irb's own

history_file() Instance Public methods A copy of the default IRB.conf

debug_level=(value) Instance Public methods Sets the debug level of irb