index_l {tinylens} | R Documentation |
Index lens
Description
Lens into a single element of a list.
Usage
index_l(i)
Arguments
i |
Index of the element to lens into |
Details
This lens performs indexing using double bracket notation, i.e., x[[i]]
.
Value
A lens that selects the specified element
Examples
x <- list(a = 1, b = 2)
l <- index_l("a")
view(x, l)
[Package tinylens version 0.1.0 Index]