marc-mabe /
php-enum
| @@ 378-396 (lines=19) @@ | ||
| 375 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 376 | * @return EnumSet |
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| 377 | */ |
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| 378 | public function union(...$others) |
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| 379 | { |
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| 380 | $bitset = $this->bitset; |
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| 381 | foreach ($others as $other) { |
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| 382 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 383 | throw new InvalidArgumentException(sprintf( |
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| 384 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 385 | __CLASS__, |
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| 386 | $this->enumeration |
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| 387 | )); |
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| 388 | } |
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| 389 | ||
| 390 | $bitset |= $other->bitset; |
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| 391 | } |
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| 392 | ||
| 393 | $clone = clone $this; |
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| 394 | $clone->bitset = $bitset; |
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| 395 | return $clone; |
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| 396 | } |
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| 397 | ||
| 398 | /** |
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| 399 | * Produce a new set with enumerators common to both this and other (this & other) |
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| @@ 406-424 (lines=19) @@ | ||
| 403 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 404 | * @return EnumSet |
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| 405 | */ |
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| 406 | public function intersect(...$others) |
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| 407 | { |
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| 408 | $bitset = $this->bitset; |
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| 409 | foreach ($others as $other) { |
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| 410 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 411 | throw new InvalidArgumentException(sprintf( |
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| 412 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 413 | __CLASS__, |
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| 414 | $this->enumeration |
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| 415 | )); |
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| 416 | } |
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| 417 | ||
| 418 | $bitset &= $other->bitset; |
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| 419 | } |
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| 420 | ||
| 421 | $clone = clone $this; |
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| 422 | $clone->bitset = $bitset; |
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| 423 | return $clone; |
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| 424 | } |
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| 425 | ||
| 426 | /** |
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| 427 | * Produce a new set with enumerators in this but not in other (this - other) |
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