const Future = require("fluture")
const L = require("partial.lenses")
const structure = {
foo: 'bar',
foobar: {
foo: 2,
bar: 4
}
}
const optic = ['foobar', L.values]
const fromFantasy = of => ({
of,
map: (f, x) => x['fantasy-land/map'](f),
ap: (f, x) => x['fantasy-land/ap'](f),
chain: (f, x) => x['fantasy-land/chain'](f)
})
L.traverse(
fromFantasy(Future.of),
x => Future.of(x + 1),
optic,
structure
).fork(
err => console.log('Error', err),
res => console.log('Result', res)
)
Created from: https://npm.runkit.com/partial.lenses