1 | <?php |
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9 | class BinaryNode implements Node |
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10 | { |
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11 | /** |
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12 | * @var self|null |
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13 | */ |
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14 | private $parent; |
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15 | |||
16 | /** |
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17 | * @var self|null |
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18 | */ |
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19 | private $left; |
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20 | |||
21 | /** |
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22 | * @var self|null |
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23 | */ |
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24 | private $right; |
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25 | |||
26 | public function parent(): ?self |
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30 | |||
31 | public function left(): ?self |
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35 | |||
36 | public function right(): ?self |
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40 | |||
41 | public function height(): int |
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45 | |||
46 | public function balance(): int |
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50 | |||
51 | public function setParent(?self $node = null): void |
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55 | |||
56 | public function attachLeft(self $node): void |
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61 | |||
62 | public function detachLeft(): void |
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69 | |||
70 | public function attachRight(self $node): void |
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75 | |||
76 | public function detachRight(): void |
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83 | } |
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84 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..