Ruby中的NameError [英] NameError in Ruby

问题描述

对于这段代码：

class myBaseClass
  def funcTest()
    puts "baseClass"
  end
end
myBaseClass.new.funcTest

I得到一个错误：

NameError: undefined local variable or method `myBaseClass' for main:Object
from c:/Users/Yurt/Documents/ruby/polymorphismTest.rb:9
from (irb):145:in `eval'
from (irb):145
from c:/Ruby192/bin/irb:12:in `<main>'
irb(main):152:0> x=myBaseClass.new

当我尝试 x = myBaseClass.new ，我得到：

When I tryx=myBaseClass.new, I get:

NameError: undefined local variable or method `myBaseClass' for main:Object from (irb):152

有人已经遇到这个问题吗？我不认为我的代码可能是错误的。

Has someone already encountered this problem? I don't think my code can be wrong.

推荐答案

在ruby中，所有常量包括类名称必须以大写字母开头。 myBaseClass 将被解释为未定义的局部变量。 MyBaseClass 将正常工作。

In ruby, all constants including class names must begin with a capital letter. myBaseClass would be interpreted as an undefined local variable. MyBaseClass would work properly.

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