crocks/core/isApplicative.js

A collection of well known Algebraic Datatypes for your utter enjoyment.

/** @license ISC License (c) copyright 2016 original and current authors */
/** @author Ian Hofmann-Hicks (evil) */

var hasAlg = require('./hasAlg')
var isApply = require('./isApply')

// isApplicative : a -> Boolean
function isApplicative(m) {
  return isApply(m)
    && (hasAlg('of', m) || hasAlg('of', m.constructor))
}

module.exports = isApplicative