def call
      buffer = ActiveSupport::SafeBuffer.new
      @breadcrumbs.each do |breadcrumb|
        buffer << @block.call(breadcrumb.computed(@context))
      end

      buffer
    end
def call
      buffer = ActiveSupport::SafeBuffer.new
      @breadcrumbs.each do |breadcrumb|
        buffer << @block.call(breadcrumb.computed(@context))
      end

      buffer
    end
Creates a buffer, and iterates over every breadcrumb, yielding
 the breadcrumb to the block given on initialization.

 @return [String]