omopgenerics (version 1.4.1)

assertClass: Assert that an object has a certain class.

Description

Assert that an object has a certain class.

Usage

assertClass(
  x,
  class,
  length = NULL,
  null = FALSE,
  empty = TRUE,
  all = FALSE,
  extra = TRUE,
  nm = deparse1(substitute(x), backtick = TRUE),
  call = parent.frame(),
  msg = NULL
)

Arguments

x

Variable to check.

class

Expected class or classes.

length

Required length. If NULL length is not checked.

null

Whether it can be NULL.

empty

Whether it can be empty.

all

Whether it should have all the classes or only at least one of them.

extra

Whether the object can have extra classes.

nm

Name to use in error messages. Defaults to the expression supplied to x.

call

Call argument that will be passed to cli.

msg

Custom error message.