Indexer as fallback to property.
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@@ -15,6 +15,8 @@ Breaking changes
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* `Engine::disable_doc_comments` is removed because doc-comments are now placed under the `metadata` feature flag.
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* Registering a custom syntax now only requires specifying whether the `Scope` is adjusted (i.e. whether variables are added or removed). There is no need to specify the number of variables added/removed.
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* Assigning to a property of a constant is now allowed and no longer raise an `EvalAltResult::ErrorAssignmentToConstant` error. This is to facilitate the Singleton pattern. Registered setter functions are automatically guarded against setters calling on constants and will continue to raise errors unless the `pure` attribute is present (for plugins).
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* If a property getter/setter is not found, an indexer with string index, if any, is tried.
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* The indexers API (`Engine::register_indexer_XXX` and `Module::set_indexer_XXX`) are now also exposed under `no_index`.
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New features
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------------
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@@ -23,6 +25,7 @@ New features
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* A new internal feature `no_smartstring` to turn off `SmartString` for those rare cases that it is needed.
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* `DynamicReadLock` and `DynamicWriteLoc` are exposed under `internals`.
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* `From<Shared<Locked<Dynamic>>>` is added for `Dynamic` mapping directly to a shared value, together with support for `Dynamic::from`.
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* An indexer with string index acts as a _fallback_ to a property getter/setter.
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Enhancements
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------------
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