zicht /
itertools
| @@ 426-436 (lines=11) @@ | ||
| 423 | * @param boolean $sort |
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| 424 | * @return GroupbyIterator |
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| 425 | */ |
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| 426 | function group_by($strategy, $iterable, $sort = true) |
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| 427 | { |
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| 428 | if (!is_bool($sort)) { |
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| 429 | throw new \InvalidArgumentException('Argument $sort must be a boolean'); |
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| 430 | } |
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| 431 | ||
| 432 | return new GroupbyIterator( |
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| 433 | conversions\mixed_to_value_getter($strategy), |
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| 434 | $sort ? sorted($strategy, $iterable) : conversions\mixed_to_iterator($iterable) |
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| 435 | ); |
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| 436 | } |
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| 437 | ||
| 438 | /** |
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| 439 | * Make an iterator that returns consecutive groups from the |
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| @@ 481-491 (lines=11) @@ | ||
| 478 | * @param boolean $reverse |
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| 479 | * @return SortedIterator |
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| 480 | */ |
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| 481 | function sorted($strategy, $iterable, $reverse = false) |
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| 482 | { |
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| 483 | if (!is_bool($reverse)) { |
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| 484 | throw new \InvalidArgumentException('Argument $reverse must be boolean'); |
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| 485 | } |
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| 486 | return new SortedIterator( |
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| 487 | conversions\mixed_to_value_getter($strategy), |
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| 488 | conversions\mixed_to_iterator($iterable), |
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| 489 | $reverse |
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| 490 | ); |
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| 491 | } |
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| 492 | ||
| 493 | /** |
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| 494 | * Make an iterator that returns values from $iterable where the |
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