1 | <?php |
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8 | class Collection |
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9 | { |
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10 | private $ls; |
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11 | |||
12 | /** |
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13 | * @param array $ls |
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14 | */ |
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15 | public function __construct($ls) |
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19 | |||
20 | /** |
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21 | * @param \Closure $fn |
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22 | * |
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23 | * @return Collection |
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24 | */ |
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25 | public function filter($fn) |
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29 | |||
30 | /** |
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31 | * @param \Closure $fn |
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32 | * |
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33 | * @return Collection |
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34 | */ |
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35 | public function map($fn) |
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39 | |||
40 | /** |
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41 | * @param \Closure $fn |
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42 | * |
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43 | * @return mixed |
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44 | */ |
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45 | public function reduce($fn) |
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49 | } |
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50 |