marc-mabe /
php-enum
| @@ 377-395 (lines=19) @@ | ||
| 374 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 375 | * @return EnumSet |
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| 376 | */ |
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| 377 | public function union(...$others) |
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| 378 | { |
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| 379 | $bitset = $this->bitset; |
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| 380 | foreach ($others as $other) { |
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| 381 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 382 | throw new InvalidArgumentException(sprintf( |
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| 383 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 384 | __CLASS__, |
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| 385 | $this->enumeration |
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| 386 | )); |
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| 387 | } |
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| 388 | ||
| 389 | $bitset |= $other->bitset; |
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| 390 | } |
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| 391 | ||
| 392 | $clone = clone $this; |
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| 393 | $clone->bitset = $bitset; |
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| 394 | return $clone; |
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| 395 | } |
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| 396 | ||
| 397 | /** |
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| 398 | * Produce a new set with enumerators common to both this and other (this & other) |
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| @@ 405-423 (lines=19) @@ | ||
| 402 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 403 | * @return EnumSet |
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| 404 | */ |
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| 405 | public function intersect(...$others) |
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| 406 | { |
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| 407 | $bitset = $this->bitset; |
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| 408 | foreach ($others as $other) { |
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| 409 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 410 | throw new InvalidArgumentException(sprintf( |
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| 411 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 412 | __CLASS__, |
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| 413 | $this->enumeration |
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| 414 | )); |
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| 415 | } |
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| 416 | ||
| 417 | $bitset &= $other->bitset; |
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| 418 | } |
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| 419 | ||
| 420 | $clone = clone $this; |
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| 421 | $clone->bitset = $bitset; |
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| 422 | return $clone; |
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| 423 | } |
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| 424 | ||
| 425 | /** |
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| 426 | * Produce a new set with enumerators in this but not in other (this - other) |
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