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Warning: Deprecated, do not use in new code. Use dplyr::coalesce() instead.

At each position of the input vectors, iterates through in order and returns the first non-NA value. This is a robust replacement of the common ifelse(!, x, ifelse(!, y, z)). It's more readable and handles problems like ifelse()'s inability to work with dates in this way.


use_first_valid_of(..., if_all_NA = NA)



the input vectors. Order matters: these are searched and prioritized in the order they are supplied.


what value should be used when all of the vectors return NA for a certain index? Default is NA.


Returns a single vector with the selected values.

See also