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Asked: 2026-06-07T15:47:14+00:00

What are some good patterns for development with packages that define the same function?

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What are some good patterns for development with packages that define the same function? In my case, lubridate and data.table both define wday.

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  1. Editorial Team

    You can use ::, it helps to specify which package to use:

    lubridate::wday
function (x, label = FALSE, abbr = TRUE) 
UseMethod("wday")
<environment: namespace:lubridate>

data.table::wday
function (x) 
as.POSIXlt(x)$wday + 1L
<environment: namespace:data.table>
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