Assert that an object has a certain class.
Usage
assertClass(
x,
class,
length = NULL,
null = FALSE,
all = FALSE,
extra = TRUE,
call = parent.frame(),
msg = NULL
)
Arguments
- x
To check.
- class
Expected class or classes.
- length
Required length. If
NULL
length is not checked.- null
Whether it can be NULL.
- all
Whether it should have all the classes or only at least one of them.
- extra
Whether the object can have extra classes.
- call
Call argument that will be passed to
cli
.- msg
Custom error message.