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[pigeon][reland]enable treat warnings as errors for swift code in unit test #3901

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hellohuanlin
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@hellohuanlin hellohuanlin commented May 3, 2023

as [Any?] here is actually not a "cast", but a "type annotation". An equivalent fix can be:

let arg: [Any?] = [nil]
let inputEncoded = binaryMessenger.codec.encode(arg)

Fixes

heterogeneous collection literal could only be inferred to '[Any?]'; add explicit type annotation if this is intentional

Which was introduced in #3889 and later got reverted.

See flutter/flutter#126006 for more details about some interesting research on this warning.

List which issues are fixed by this PR. You must list at least one issue.

Fixes flutter/flutter#126006

If you had to change anything in the flutter/tests repo, include a link to the migration guide as per the breaking change policy.

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@hellohuanlin hellohuanlin requested a review from tarrinneal as a code owner May 3, 2023 21:38
@hellohuanlin hellohuanlin changed the title [pigeon]enable treat warning as errors for swift code in unit test [pigeon][reland]enable treat warning as errors for swift code in unit test May 3, 2023
@hellohuanlin hellohuanlin changed the title [pigeon][reland]enable treat warning as errors for swift code in unit test [pigeon][reland]enable treat warnings as errors for swift code in unit test May 3, 2023
@hellohuanlin hellohuanlin force-pushed the pigeon_swift_reland_treat_warning_as_error branch from 4f7a76c to cdfe5f6 Compare May 3, 2023 22:42
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LGTM

@hellohuanlin hellohuanlin added the autosubmit Merge PR when tree becomes green via auto submit App label May 4, 2023
@auto-submit auto-submit bot merged commit 6bd59cd into flutter:main May 4, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request May 4, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request May 4, 2023
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request May 4, 2023
flutter/packages@407b7da...6bd59cd

2023-05-04 41930132+hellohuanlin@users.noreply.github.com [pigeon][reland]enable treat warnings as errors for swift code in unit test (flutter/packages#3901)
2023-05-04 stuartmorgan@google.com [video_player] Fix Android lints (flutter/packages#3886)
2023-05-04 stuartmorgan@google.com [quick_actions] Fix Android lint issues (flutter/packages#3885)
2023-05-03 andrewjohncoutts@gmail.com [camera_platform_interface] [camera] [camera_android] Add NV21 as an image stream format (flutter/packages#3277)
2023-05-03 stuartmorgan@google.com Revert "[pigeon]enable treat warning as errors for swift code in unit test" (flutter/packages#3898)

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nploi pushed a commit to nploi/packages that referenced this pull request Jul 16, 2023
…t test (flutter#3901)

`as [Any?]` here is actually not a "cast", but a "type annotation". An equivalent fix can be: 

```
let arg: [Any?] = [nil]
let inputEncoded = binaryMessenger.codec.encode(arg)
```

Fixes
```
heterogeneous collection literal could only be inferred to '[Any?]'; add explicit type annotation if this is intentional
```

Which was introduced in flutter#3889 and later got reverted. 

See flutter/flutter#126006 for more details about some interesting research on this warning. 

*List which issues are fixed by this PR. You must list at least one issue.*

Fixes flutter/flutter#126006

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*
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[pigeon] re-enable "treat warnings as errors"
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