A lens into the names of an object

Source: R/base-lenses.R

The lens versions of names and names<-.

names_l

Format

An object of class lens of length 2.

Examples

view(iris, names_l)
#> [1] "Sepal.Length" "Sepal.Width"  "Petal.Length" "Petal.Width"  "Species"     
head(set(iris, names_l, LETTERS[1:5]))
#>     A   B   C   D      E
#> 1 5.1 3.5 1.4 0.2 setosa
#> 2 4.9 3.0 1.4 0.2 setosa
#> 3 4.7 3.2 1.3 0.2 setosa
#> 4 4.6 3.1 1.5 0.2 setosa
#> 5 5.0 3.6 1.4 0.2 setosa
#> 6 5.4 3.9 1.7 0.4 setosa