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# where() checks return values
Code
where(NA)
Condition
Error in `where()`:
! Can't convert `fn`, `NA`, to a function.
---
Code
select_loc(iris, where(~NA))
Condition
Error in `where()`:
! Predicate must return `TRUE` or `FALSE`, not `NA`.
Code
select_loc(iris, where(~1))
Condition
Error in `where()`:
! Predicate must return `TRUE` or `FALSE`, not a number.
Code
select_loc(iris, where(mean))
Condition
Error in `where()`:
! Predicate must return `TRUE` or `FALSE`, not a number.
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