# File lib/less/rails/helpers.rb, line 7
  def self.register_rails_helper(name, &block)
    tree = @loader.require('less/tree')
    tree.functions[name] = lambda do |*args|
      # args: (this, node) v8 >= 0.10, otherwise (node)
      raise ArgumentError, "missing node" if args.empty?
      tree[:Anonymous].new block.call(tree, args.last)
    end
  end