Examples for 'checkmate::checkList'


Check if an argument is a list

Aliases: checkList check_list assertList assert_list testList test_list expect_list

Keywords:

### ** Examples

testList(list())
[1] TRUE
testList(as.list(iris), types = c("numeric", "factor"))
[1] TRUE
# Missingness
testList(list(1, NA), any.missing = FALSE)
[1] TRUE
testList(list(1, NULL), any.missing = FALSE)
[1] FALSE
# Uniqueness differentiates between different NA types:
testList(list(NA, NA), unique = TRUE)
[1] FALSE
testList(list(NA, NA_real_), unique = TRUE)
[1] TRUE

[Package checkmate version 2.3.2 Index]