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[various] Update Swift plugins for non-nullable generics #7742

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merged 7 commits into from
Oct 4, 2024

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stuartmorgan
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Updates Swift-based plugins to the current version of Pigeon:

  • Removes workarounds for previous lack of support for non-nullable generics.
  • Minor tweaks for other Pigeon changes in intervening versions.

These are done as a batch since the Swift plugins are unusual among our plugins in having strong typing changes on the native side, making them easier to do mechanically.

Part of flutter/flutter#155891

Pre-launch Checklist

required this.allowsMultipleSelection,
required this.canChooseDirectories,
required this.canChooseFiles,
required this.baseOptions,
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@stuartmorgan stuartmorgan Sep 30, 2024

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Since this change is non-obvious: Pigeon used to basically discard the constructor, so none of this mattered. With the update:

  • some code failed analysis because it was passing default values, and I decided I preferred having the call site across the Pigeon boundary be very explicit about the settings in each method, and
  • the const SavePanelOptions() didn't compile because const-ness isn't preserved into the Pigeon-generated Dart code.

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is const-ness something we'd like?

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Could be worth considering, since having data classes be unmodifiable is often useful. It would add some complexity to native generators though since we'd need to make setters conditionally generated.

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I can split this into three PRs if folks prefer, I just figured since we get more compiler support for the change with Swift, there aren't too many, and they are relatively small, I'd try batching them.

@stuartmorgan stuartmorgan force-pushed the pigeon-non-null-update-swift branch from 2ccc25f to 2e01a36 Compare September 30, 2024 18:47
@stuartmorgan stuartmorgan removed the request for review from cbracken September 30, 2024 18:47
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Looks good! Did you run into any issues?

required this.allowsMultipleSelection,
required this.canChooseDirectories,
required this.canChooseFiles,
required this.baseOptions,
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is const-ness something we'd like?

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Did you run into any issues?

I'll let you know once I see whether any regression issues are filed 😅

But it was easy to update. With strongly typed generic enforcement on both sides, the compilers did most of the work for me.

@stuartmorgan stuartmorgan added the autosubmit Merge PR when tree becomes green via auto submit App label Oct 4, 2024
@auto-submit auto-submit bot merged commit 05bf1d4 into flutter:main Oct 4, 2024
76 checks passed
auto-submit bot pushed a commit to flutter/flutter that referenced this pull request Oct 4, 2024
flutter/packages@429650f...05bf1d4

2024-10-04 stuartmorgan@google.com [various] Update Swift plugins for non-nullable generics (flutter/packages#7742)
2024-10-04 stuartmorgan@google.com [url_launcher] Update Android Pigeon (flutter/packages#7744)
2024-10-04 22963120+Craftplacer@users.noreply.github.com [xdg_directories] Add `stateHome` property (flutter/packages#7766)
2024-10-03 stuartmorgan@google.com [file_selector] Update Android Pigeon for non-nullable generics (flutter/packages#7781)
2024-10-03 cedvandenbosch@gmail.com [go_router] Relax subroute path requirements (allow root and child routes to have the same path forms ) (flutter/packages#7647)

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