How to use sessions in Sinatra?

By default, Sessions are disabled in Sinatra.You need to enable them and then use the session hash from routes and views. Below code shows how to enable, set or get a session in Sinatra.

//Enabling Session

enable :sessions

get '/foo' do
  // setting session value
  session[:message] = 'Hello World!'
  redirect to('/bar')
end

get '/bar' do
 // getting session value
  session[:message]   # => 'Hello World!'
end