Created
November 10, 2017 20:59
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gist for blog snippet
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| fun getCountryCode(maybePerson : Either<BizError, Person>): Either<BizError, String> = | |
| Either.monadError<BizError>().binding { | |
| val person = maybePerson.bind() | |
| val address = person.address.toEither({ AddressNotFound(person.id) }).bind() | |
| val country = address.country.toEither({ CountryNotFound(address.id) }).bind() | |
| yields(country.code) | |
| }.ev() |
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