Deleting the current session with Rack::Session::Cookie
It depends how you create your session. Simply you have to nulify session entry. Here is simple example, how to create and destroy sessions.
get '/login' do session[:username] = params[:username] "logged in as #{session[:username]}" end get '/logout' do old_user = session[:username] session[:username] = nil "logged out #{old_user}" endYou can also check this example: https://gist.github.com/131401