class_equals_linter {lintr} | R Documentation |
Usage like class(x) == "character"
is prone to error since class in R
is in general a vector. The correct version for S3 classes is inherits()
:
inherits(x, "character")
. Often, class k
will have an is.
equivalent,
for example is.character()
or is.data.frame()
.
class_equals_linter()
Similar reasoning applies for class(x) %in% "character"
best_practices, consistency, robustness
linters for a complete list of linters available in lintr.