marc-mabe /
php-enum
| @@ 354-372 (lines=19) @@ | ||
| 351 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 352 | * @return EnumSet |
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| 353 | */ |
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| 354 | public function union(...$others) |
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| 355 | { |
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| 356 | $bitset = $this->bitset; |
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| 357 | foreach ($others as $other) { |
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| 358 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 359 | throw new InvalidArgumentException(sprintf( |
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| 360 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 361 | __CLASS__, |
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| 362 | $this->enumeration |
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| 363 | )); |
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| 364 | } |
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| 365 | ||
| 366 | $bitset |= $other->bitset; |
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| 367 | } |
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| 368 | ||
| 369 | $clone = clone $this; |
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| 370 | $clone->bitset = $bitset; |
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| 371 | return $clone; |
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| 372 | } |
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| 373 | ||
| 374 | /** |
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| 375 | * Produce a new set with enumerators common to both this and other (this & other) |
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| @@ 382-400 (lines=19) @@ | ||
| 379 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 380 | * @return EnumSet |
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| 381 | */ |
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| 382 | public function intersect(...$others) |
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| 383 | { |
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| 384 | $bitset = $this->bitset; |
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| 385 | foreach ($others as $other) { |
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| 386 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 387 | throw new InvalidArgumentException(sprintf( |
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| 388 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 389 | __CLASS__, |
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| 390 | $this->enumeration |
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| 391 | )); |
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| 392 | } |
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| 393 | ||
| 394 | $bitset &= $other->bitset; |
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| 395 | } |
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| 396 | ||
| 397 | $clone = clone $this; |
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| 398 | $clone->bitset = $bitset; |
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| 399 | return $clone; |
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| 400 | } |
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| 401 | ||
| 402 | /** |
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| 403 | * Produce a new set with enumerators in this but not in other (this - other) |
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