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21 lines
415 B
21 lines
415 B
//
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// Promise+First.swift
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// then
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//
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// Created by Sacha DSO on 31/01/2018.
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// Copyright © 2018 s4cha. All rights reserved.
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//
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import Foundation
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extension Promise {
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public func first<E>() -> Promise<E> where T == [E] {
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return self.then { unwrap($0.first) }
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}
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}
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extension Promise {
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public func last<E>() -> Promise<E> where T == [E] {
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return self.then { unwrap($0.last) }
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}
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}
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