Retrieve elements' name of a list within apply function

This small function should be used within an apply function when retrieving the element's name is needed.

Usage

.n()

Value

The name of the element considered

References

https://stackoverflow.com/questions/9950144/access-lapply-index-names-inside-fun

Examples

# list creation
A <- list(name_1 = NULL, name_2 = NULL)

# print name of each element using .n()
sapply(A, function(x) .n())
#>   name_1   name_2 
#> "name_1" "name_2"