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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Immutable\Set; |
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use Innmind\Immutable\{ |
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Map, |
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Sequence, |
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Set, |
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Type, |
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ValidateArgument, |
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Str, |
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}; |
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final class Primitive implements Implementation |
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{ |
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private string $type; |
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private ValidateArgument $validate; |
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private Sequence $values; |
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public function __construct(string $type, ...$values) |
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{ |
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$this->type = $type; |
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$this->validate = Type::of($type); |
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$this->values = Sequence::of($type, ...$values)->distinct(); |
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} |
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public function isOfType(string $type): bool |
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{ |
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return $this->type === $type; |
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} |
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public function type(): string |
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{ |
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return $this->type; |
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} |
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public function size(): int |
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{ |
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return $this->values->size(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count(): int |
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{ |
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return $this->values->size(); |
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} |
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public function toArray(): array |
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{ |
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return $this->values->toArray(); |
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} |
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public function intersect(Implementation $set): self |
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{ |
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$self = $this->clear(); |
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$self->values = $this->values->intersect( |
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Sequence::of($this->type, ...$set->toArray()) |
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); |
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return $self; |
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} |
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public function add($element): self |
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{ |
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if ($this->contains($element)) { |
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return $this; |
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} |
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$set = clone $this; |
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$set->values = $this->values->add($element); |
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return $set; |
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} |
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public function contains($element): bool |
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{ |
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return $this->values->contains($element); |
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} |
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public function remove($element): self |
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{ |
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if (!$this->contains($element)) { |
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return $this; |
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} |
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$index = $this->values->indexOf($element); |
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$set = clone $this; |
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$set->values = $this |
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->values |
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->clear() |
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->append($this->values->slice(0, $index)) |
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->append($this->values->slice($index + 1, $this->size())); |
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return $set; |
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} |
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public function diff(Implementation $set): self |
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{ |
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$self = clone $this; |
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$self->values = $this->values->diff( |
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Sequence::of($this->type, ...$set->toArray()) |
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); |
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return $self; |
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} |
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public function equals(Implementation $set): bool |
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{ |
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if ($this->size() !== $set->size()) { |
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return false; |
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} |
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return $this->intersect($set)->size() === $this->size(); |
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} |
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public function filter(callable $predicate): self |
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{ |
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$set = clone $this; |
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$set->values = $this->values->filter($predicate); |
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return $set; |
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} |
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public function foreach(callable $function): void |
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{ |
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$this->values->foreach($function); |
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} |
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public function groupBy(callable $discriminator): Map |
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{ |
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$map = $this->values->groupBy($discriminator); |
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return $map->reduce( |
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Map::of($map->keyType(), Set::class), |
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function(Map $carry, $key, Sequence $values): Map { |
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return $carry->put( |
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$key, |
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Set::of($this->type, ...$values->toArray()), |
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); |
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} |
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); |
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} |
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public function map(callable $function): self |
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{ |
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$function = function($value) use ($function) { |
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$value = $function($value); |
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($this->validate)($value, 1); |
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return $value; |
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}; |
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return $this->reduce( |
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$this->clear(), |
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function(self $carry, $value) use ($function): self { |
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return $carry->add($function($value)); |
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} |
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); |
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} |
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public function partition(callable $predicate): Map |
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{ |
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$partitions = $this->values->partition($predicate); |
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return Map::of('bool', Set::class) |
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(true, Set::of($this->type, ...$partitions->get(true)->toArray())) |
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(false, Set::of($this->type, ...$partitions->get(false)->toArray())); |
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} |
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public function join(string $separator): Str |
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{ |
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return $this->values->join($separator); |
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} |
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public function sort(callable $function): Sequence |
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{ |
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return $this->values->sort($function); |
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} |
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public function merge(Implementation $set): self |
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{ |
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return $set->reduce( |
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$this, |
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function(self $carry, $value): self { |
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return $carry->add($value); |
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} |
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); |
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} |
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public function reduce($carry, callable $reducer) |
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{ |
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return $this->values->reduce($carry, $reducer); |
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} |
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public function clear(): self |
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{ |
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return new self($this->type); |
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} |
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public function empty(): bool |
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{ |
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return $this->values->empty(); |
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} |
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} |
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