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Generic key type cannot be undefined

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Fixes #3905
This commit is contained in:
Brown 2020-07-29 18:46:21 -04:00
parent 7367e8e6c2
commit 96ce488241
1 changed files with 2 additions and 0 deletions
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src/Psalm/Type/Atomic/ObjectLike.php
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@ -220,6 +220,8 @@ class ObjectLike extends \Psalm\Type\Atomic
$key_type = TypeCombination::combineTypes($key_types);
$key_type->possibly_undefined = false;
if ($this->previous_key_type) {
$key_type = Type::combineUnionTypes($this->previous_key_type, $key_type);
}