asdasd

require "json"

class WiFi

    def initialize(&block)
        instance_eval(&block)
    end

    def ssid(ssid)
        @ssid = ssid
    end

    def password(password)
        @password = password
    end

    def to_s
        j = { "WiFi" => { "ssid" => @ssid, "password" => @password }}
        puts j.to_json
    end
end

def describe(&block)
    WiFi.new(&block).to_s
    puts @password
end

describe do
    ssid "ruby"
    password "vilnius"
end