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Null-assert the value given to a Completer expecting a non-null value #49053
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The code with out the null assertion is legal as per the type signature, but will throw a runtime exception if the nullable value is null. To make this exception more explicit, the value must be null-checked before completing the completer with the value. The analyzer will soon enforce such checks. See dart-lang/sdk#53253. This PR is behaviorally a no-op. Fixes flutter/flutter#136775
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8acc96d405 Roll Dart SDK from 1e6b559fae88 to 44af84628b90 (1 revision) (flutter/engine#51035) 632f9d742d Roll Skia from 84c60d70fbbd to a673ab63fccc (1 revision) (flutter/engine#51034) 5c09604bd6 Null-assert the value given to a Completer expecting a non-null value (flutter/engine#49053) 055ede728c Roll Dart SDK from a0e3c16eea3e to 1e6b559fae88 (1 revision) (flutter/engine#51025) d6bca2a382 [Windows] Reduce log level of unsupported accessibility event message (flutter/engine#51024) 8fa1141b46 Roll Skia from c8703c91675e to 84c60d70fbbd (4 revisions) (flutter/engine#51021)
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The code with out the null assertion is legal as per the type signature, but will throw a runtime exception if the nullable value is null. To make this exception more explicit, the value must be null-checked before completing the completer with the value.
The analyzer will soon enforce such checks. See dart-lang/sdk#53253.
This PR is behaviorally a no-op.
Fixes flutter/flutter#136775
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