example/app/controllers/posts_controller.rb
class PostsController < ApplicationController
add_crumb "Posts", :posts_url, :except => [:new]
def index
@posts = Post.all
end
def show
@post = Post.find params[:id]
@post.categories.each do |category|
add_crumb category.title, "#"
end
end
def new
add_crumb "Forever Alone"
end
end