Implement set.update method #573
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The `update` method on the `set` is defined in the Starlark specification [1] but is not present in the starlark-go implementation. This change introduces this functionality. [1] https://github.com/bazelbuild/starlark/blob/master/spec.md#setupdate
Fixes from @adonovan in PR
adonovan
reviewed
Jan 27, 2025
adonovan
reviewed
Jan 27, 2025
starlark/library.go
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| switch v := arg.(type) { | ||
| receiverSet := b.Receiver().(*Set) | ||
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| // factored out into a function so that the `defer` is scoped to this iterable |
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Good point; but the comment isn't necessary as the code speaks for itself.
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The fact that the defer is in the function is obvious but the rationale is probably not so obvious.
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It's fairly common to call a function literal to reduce the scope of a defer.
adonovan
approved these changes
Jan 27, 2025
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The method update on the type
setis available in the Bazel implementation of Starlark, but unfortunately not this Go implementation. This PR will augment thesetimplementation to also support theupdatemethod.