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# frozen_string_literal: false
#
# help.rb - helper using ri
# $Release Version: 0.9.6$
# $Revision$
#
# --
#
#
#
require_relative "nop"
# :stopdoc:
module IRB
module ExtendCommand
class Help < Nop
def execute(*names)
require 'rdoc/ri/driver'
IRB::ExtendCommand::Help.const_set(:Ri, RDoc::RI::Driver.new)
rescue LoadError, SystemExit
IRB::ExtendCommand::Help.remove_method(:execute)
# raise NoMethodError in ensure
else
def execute(*names)
if names.empty?
Ri.interactive
return
end
names.each do |name|
begin
Ri.display_name(name.to_s)
rescue RDoc::RI::Error
puts $!.message
end
end
nil
end
nil
ensure
execute(*names)
end
end
end
end
# :startdoc: