Created
April 30, 2020 09:13
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functional-dsl-blog-3.scala
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| val always: EmailFilter = Always | |
| val never: EmailFilter = always.negate | |
| def senderIs(sender: Address): EmailFilter = SenderEquals(sender) | |
| def senderIsNot(sender: Address): EmailFilter = SenderEquals(sender).negate | |
| def recipientIs(recipient: Address): EmailFilter = RecipientEquals(recipient) | |
| def recipientIsNot(recipient: Address): EmailFilter = RecipientEquals(recipient).negate | |
| def senderIn(senders: Set[Address]): EmailFilter = senders.foldLeft(never)(_ || senderIs(_)) | |
| def recipientIn(recipients: Set[Address]): EmailFilter = recipients.foldLeft(never)(_ || recipientIs(_)) | |
| def bodyContains(phrase: String): EmailFilter = BodyContains(phrase) | |
| def bodyDoesNotContain(phrase: String): EmailFilter = BodyContains(phrase).negate |
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