A lens into the column names of an object

The lens version of colnames and colnames<-

colnames_l

Format

An object of class lens of length 2.

Examples

x <- matrix(1:4, ncol = 2)
colnames(x) <- c("first", "second")
x
#>      first second
#> [1,]     1      3
#> [2,]     2      4

view(x, colnames_l)
#> [1] "first"  "second"
set(x, colnames_l, c("premiere", "deuxieme"))
#>      premiere deuxieme
#> [1,]        1        3
#> [2,]        2        4