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var R = require('../../source');

var sentinel = {};
var Maybe = module.exports = function(x, box) {  if (x !== sentinel) {    throw new Error('Cannot instantiate Maybe');  }  var isJust = box.length > 0;  if (isJust) {    this.value = box[0];  }  this.isNothing = !isJust;  this.isJust = isJust;};
//  Nothing :: Maybe avar Nothing = Maybe.Nothing = new Maybe(sentinel, []);
//  Just :: a -> Maybe avar Just = Maybe.Just = function(value) { return new Maybe(sentinel, [value]); };
//  Maybe.of :: a -> Maybe aMaybe['fantasy-land/of'] = Just;
//  Maybe#@@type :: StringMaybe.prototype['@@type'] = 'ramda/Maybe';
//  Maybe#equals :: Maybe a ~> Maybe a -> BooleanMaybe.prototype['fantasy-land/equals'] = function(other) {  return other != null && other['@@type'] === this['@@type'] &&         this.isJust ? other.isJust && R.equals(other.value, this.value) : other.isNothing;};
//  Maybe#map :: Maybe a ~> (a -> b) -> Maybe bMaybe.prototype['fantasy-land/map'] = function(f) {  return this.isJust ? Just(f(this.value)) : Nothing;};
//  Maybe#ap :: Maybe a ~> Maybe (a -> b) -> Maybe bMaybe.prototype['fantasy-land/ap'] = function(maybe) {  return this.isJust && maybe.isJust ? Just(maybe.value(this.value)) : Nothing;};
//  Maybe#chain :: Maybe a ~> (a -> Maybe b) -> Maybe bMaybe.prototype['fantasy-land/chain'] = function(f) {  return this.isJust ? f(this.value) : Nothing;};
//  Maybe#filter :: Maybe a ~> (a -> Boolean) -> Maybe aMaybe.prototype['fantasy-land/filter'] = function(pred) {  return this.isJust && pred(this.value) ? this : Nothing;};
//  Maybe#toString :: Maybe a ~> StringMaybe.prototype.toString = function() {  return this.isJust ? 'Just(' + R.toString(this.value) + ')' : 'Nothing';};