# File lib/em-websocket/connection.rb, line 52 def close_websocket(code = nil, body = nil) if code && !(4000..4999).include?(code) raise "Application code may only use codes in the range 4000-4999" end # If code not defined then set to 1000 (normal closure) code ||= 1000 close_websocket_private(code, body) end