22、Ruby项目文档与打包管理全解析

Ruby项目文档与打包管理全解析

1. RDoc生成文档基础

RDoc可以根据简单的注释生成美观的HTML文档，且不影响纯文本注释的可读性。即使代码未注释，运行RDoc也能生成展示API结构的有用内容。若使用带有轻量级格式语法的注释代码生成文档，能获得更多信息。

1.1 PStore事务终止示例

以下是一个PStore事务终止的示例代码，展示了如何使用 abort 方法丢弃事务中的所有更改：

# Ends the current PStore#transaction, discarding any changes to the data
# store.
#
# == Example:
#
require "pstore"

store = PStore.new("data_file.pstore")
store.transaction do  # begin transaction
  store[:one] = 1     # this change is not applied, see below...
  store[:two] = 2     # this change is not applied, see below...

  store.abort         # end transaction here, discard all changes

  store[:three] = 3   # this change is never reached
end

# *WARNING*:  This method is only valid in a PSt