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<?php |
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declare(strict_types=1); |
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namespace Scalp; |
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use function Scalp\Conversion\AnyToString; |
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use function Scalp\Type\restrictCallableReturnType; |
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use function Scalp\Utils\type; |
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abstract class Option |
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{ |
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abstract public function isEmpty(): bool; |
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final public function isDefined(): bool |
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{ |
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return !$this->isEmpty(); |
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} |
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abstract public function get(); |
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final public function getOrElse($default) |
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{ |
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return $this->isEmpty() ? $default : $this->get(); |
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} |
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final public function orNull() |
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{ |
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return $this->getOrElse(null); |
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} |
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final public function map(callable $f): Option |
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{ |
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return $this->isEmpty() ? $this : Some($f($this->get())); |
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} |
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final public function fold(callable $ifEmpty, callable $f) |
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{ |
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return $this->isEmpty() ? $ifEmpty() : $f($this->get()); |
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} |
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final public function flatMap($f): Option |
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{ |
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restrictCallableReturnType($f, self::class); |
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return $this->isEmpty() ? $this : $f($this->get()); |
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} |
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final public function flatten(): Option |
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{ |
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return $this->isDefined() && ($this->get() instanceof self) ? $this->get()->flatten() : $this; |
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} |
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final public function filter(callable $p): Option |
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{ |
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return ($this->isEmpty() || $p($this->get())) ? $this : None(); |
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} |
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final public function filterNot(callable $p): Option |
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{ |
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return ($this->isEmpty() || !$p($this->get())) ? $this : None(); |
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} |
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final public function contains($elem): bool |
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{ |
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return !$this->isEmpty() && $this->get() === $elem; |
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} |
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final public function exists(callable $p): bool |
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{ |
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return !$this->isEmpty() && $p($this->get()); |
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} |
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final public function forall(callable $p): bool |
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{ |
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return $this->isEmpty() || $p($this->get()); |
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} |
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final public function foreach(callable $f): void |
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{ |
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$this->isEmpty() ?: $f($this->get()); |
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} |
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/** |
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* This method should be implemented with PartialFunction |
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* It should return the result of applying `pf` if it's |
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* defined at option's value, None in other case. |
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* In scala pf: PartialFunction[A,B] is lifted into A => Option[B]. |
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* |
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* @param callable $pf |
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* |
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* @return Option |
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*/ |
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final public function collect(callable $pf): Option |
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{ |
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return $this->flatMap($pf); |
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} |
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final public function orElse(Option $alternative): Option |
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{ |
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return $this->isEmpty() ? $alternative : $this; |
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} |
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final public function iterator(): \Iterator |
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{ |
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return $this->isEmpty() ? new \EmptyIterator() : new \ArrayIterator([$this->get()]); |
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} |
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/* |
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* final public function toList(): List |
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* final public function toRight($left) |
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* final public function toLeft($right) |
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*/ |
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final public function toString(): string |
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{ |
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return $this->isEmpty() ? 'None' : sprintf('Some[%s](%s)', type($this->get()), AnyToString($this->get())); |
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} |
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final public function __toString(): string |
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{ |
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return $this->toString(); |
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} |
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} |
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pawaclawczyk /
scalp
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths