两个 R 包可以在彼此的依赖列表中吗？
假设我有 3 个包 A、B 和 C。
B 连接到数据存储库 1 并具有特定于该 API 的功能。
C 连接到数据存储库 2 并具有特定于该 API 的函数。
最终还会有更多的子包。
包A将具有通用方法和其他通用功能（例如身份验证），适用于通过B和C获取的数据>。这里的理由是，这将是一种更简化的方式来跟上开发（例如，必须更新单个 auth 函数，而不是在每个子包中执行此操作）。因此，A 位于 B 和 C 的依赖列表中是有意义的
，但我也希望用户只安装 A 并有权访问所有子包。为此，我希望 B 和 C 位于其依赖列表中。
这可能吗？我应该有更好的工作流程吗？
Let's say I have 3 packages A, B, and C.
B connects to data repository 1 and has functions specific to that API.
C connects to data repository 2 and has functions specific to that API.
Eventually there will be several more child packages.
Package A will have generic methods and other common functions (e.g. authentication) that apply to data acquired through B and C. The rationale here is that this would be a more streamlined way to keep up with development (e.g. one would have to update a single auth function rather than doing that inside each child package). So it makes sense for A to be on the depends list for B and C
But I would also like users to just install A and have access to all child packages. For this, I want B and C to be on its depends list.
Is this possible? Should I have a better workflow?
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gregmisc包就是这样一个示例，它通过 dependents 安装更集中的子包。它本身没有任何功能，但它肯定可以。http://cran.r-project.org/web/packages/gregmisc
The
gregmiscpackage is one example like this that installs more focused sub-packages through depends. It doesn't have any functionality, itself, but it certainly could.http://cran.r-project.org/web/packages/gregmisc
2021 年更新：这不再可能了。 R RMD 检查将抱怨并返回错误 - 包不能相互依赖。
之前的答案中提到的 gregmisc 包已从 CRAN 中删除（可能是因为这个原因）。
Updated in 2021: this is not possible anymore. R RMD Check will complain and return an error - packages cannot depend on each other.
The
gregmiscpackage mentioned in a previous answer was removed from CRAN (probably because of this reason).