我的类名称与Ruby的冲突 [英] My class name conflicting with Ruby's

问题描述

我在我的模块中有一个类叫做Date。但是当我想使用与ruby一起打包的Date类时，它使用我的Date类。

I have a class in my module that is called "Date". But when i want to utilize the Date class packaged with ruby, it uses my Date class instead.

module Mymod
  class ClassA
    class Date < Mymod::ClassA
      require 'date'

      def initialize
        today = Date.today # get today's date from Ruby's Date class
        puts "Today's date is #{today.to_s}"
      end
    end
  end
end

Mymod::ClassA::Date.new

运行此输出的输出是

test.rb:7:in `initialize': undefined method `today' for Mymod::ClassA::Date:Class (NoMethodError)

有什么办法我可以引用ruby的Date类从我自己的类也叫Date？

Is there any way I can reference ruby's Date class from within my own class also called "Date"?

推荐答案

def initialize
        today = ::Date.today # get today's date from Ruby's Date class
        puts "Today's date is #{today.to_s}"
      end

什么是Ruby中的双冒号

这篇关于我的类名称与Ruby的冲突的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！