Force one namespace to override / take priority over another without changing load order?

问题

select() belongs to both the dplyr and MASS namespaces.

Ambiguity about what is called with select() can be solved by either

1. Loading dplyr after loading MASS
2. Using dplyr::select rather than simply select

Is there any other solution, preferably one that involves nominating a library to take priority over others?

Extra note: I know in the world of CSS, there's an !important attribute that can be added to a style so that it overrides others. I wonder if something similar exists in R which can be called when library(dplyr).

回答1:

Not sure whether it completely solves your problem, but one option could be to use conflict_prefer() from conflicted library. From the documentation:

conflict_prefer() allows you to declare "winners" of conflicts. You can either declare a specific pairing (i.e. dplyr::filter() beats base::filter()), or an overall winner (i.e. dplyr::filter() beats all comers).

Let's say you want to use between() from data.table:

conflict_prefer("between", winner = "data.table", quiet = FALSE)

[conflicted] Removing existing preference
[conflicted] Will prefer data.table::between over any other package

来源：https://stackoverflow.com/questions/58476313/force-one-namespace-to-override-take-priority-over-another-without-changing-lo