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A lot of new features have been added to the `#[cgp_getter]` macro! For the basic use cases, you can now define getter methods that return &str or Option<&T>, and the macro will generate getter implementations that read from String or Option<T> fields. github.com/contextgener...

This mainly improves use of CGP with idiomatic Rust code. Apparently, some readers pointed out about the aesthetic of getter methods returning &String instead of &str. This especially affects first impressions, when the hello world of CGP demonstrates the dependency injection of string fields.