kemal-flash provides a way to pass temporary information between actions. Anything that's placed in the flash will be cleared out at the end of the next action. kemal-flash depends on kemal-session. Make sure kemal-session is included before including kemal-flash.

Add this to your application's shard.yml:

dependencies:
  kemal-flash:
    github: neovintage/kemal-flash
    version: 0.1.0

require "kemal"
require "kemal-session"
require "kemal-flash"

get "/" do |env|
  env.flash["notice"] = "welcome"
end

get "/check_flash" do |env|
  env.flash["notice"]?
end

1. Fork it ( https://github.com/[your-github-name]/kemal-flash/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

• [neovintage] Rimas Silkaitis - creator, maintainer