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Flow upgrade to 0.182 #25419
Flow upgrade to 0.182 #25419
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[ghstack-poisoned]
ghstack-source-id: 58e651c26e8b5f878bf2d6a830d3929b5eaad928 Pull Request resolved: facebook#25419
type Check<_X, Y: _X, X: Y = _X> = null; | ||
// eslint-disable-next-line no-unused-expressions | ||
(null: Check<ExportsType, FeatureFlagsType>); | ||
// Flow magic to verify the exports of this file match the original version. |
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Have you verified this still does what it's supposed to?
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I changed one export type and it showed an error.
The idea is that A can be casted into B and B can be casted into A, which I think implies that A = B.
[ghstack-poisoned]
ghstack-source-id: b9bb8c1560e8ac6baf424deea2015c00629fb353 Pull Request resolved: #25419
ghstack-source-id: b9bb8c1560e8ac6baf424deea2015c00629fb353 Pull Request resolved: #25419
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