o0/fp-monad-maybe.js

Last active November 23, 2016 02:21

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Maybe monad. Requires monet.js library

Raw

fp-monad-maybe.js

	const user = {
	lang: {
	current: 'ru'
	}
	};


	const userDefaultLang = Maybe
	.fromNull(user.lang.default)
	.orElse(Some('en'))
	.val;

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