%.% {tinylens}R Documentation

Compose two lenses

Description

The resulting lens first applies the left lens, then the right lens.

Usage

l %.% m

Arguments

l

First lens

m

Second lens

Value

A new lens

Examples

d <- list(list(a = 1, b = 2), list(a = 4, b = 9))
l <- index_l(1)
m <- index_l("b")
view(d, l %.% m)

[Package tinylens version 0.1.0 Index]