moy-fp/src/Object/lensProp.js

A functional programming library.

import curry from '../Function/curry'
import lens from './lens'
import prop from './prop'
import assoc from './assoc'

/**
 * k -> Lens s a
 * Lens s a = Functor f => (a -> f a) -> s -> f s 
 */
const lensProp = curry(
  p => lens(prop(p))(assoc(p))
)

export default lensProp