index_l {tinylens} | R Documentation |
Lens into a single element of a list.
index_l(i)
i |
Index of the element to lens into |
This lens performs indexing using double bracket notation, i.e., x[[i]]
.
A lens that selects the specified element
x <- list(a = 1, b = 2)
l <- index_l("a")
view(x, l)