# frozen_string_literal: true

module FO
  class Cache
    def initialize(init = {})
      @c = init
    end

    def file!(path)
      if @c[path].nil?
        return @c[path] = File.read(path)
      end
      @c[path]
    end

    def get(k)
      @c.fetch(k)
    end

    def set!(k, v)
      @c[k] = v
    end

    def set(k, v)
      self.class.new(@c.merge(k => v))
    end
  end
end