Both attr_reader and attr_writer are not keywords but are actual methods in Ruby (found in the Module class) that take symbols as arguments.

attr _ reader和attr _ writer都不是关键词，而是Ruby中的实际方法(在module类中)，它们以符号作为参数。

youdao

This calls the remote node and executes the specific module and function with the supplied arguments, returning the result to the caller.

这将调用远程节点，使用所提供的参数执行特定模块和函数，并将结果返回给调用方。

youdao

So to avoid further confusion, I recommend you use Parse::RecDescent (or an equivalent parsing module) if you are doing parsing of an order higher than simple arguments.

因此，为了避免进一步的混淆，如果您正在进行的解析等级高于简单参数，我建议您使用 Parse::RecDescent（或等价的解析模块)。

youdao