Reverse lens

Lens into the reverse of an object.

rev_l

Format

An object of class lens of length 2.

Examples

x <- 1:10
view(x, rev_l)
#>  [1] 10  9  8  7  6  5  4  3  2  1
set(x, rev_l, 11:20)
#>  [1] 20 19 18 17 16 15 14 13 12 11