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# Objective - Provide a generic and _reflectable_ way to iterate over contained entities ## Solution Adds two new traits: * `VisitEntities`: Reflectable iteration, accepts a closure rather than producing an iterator. Implemented by default for `IntoIterator` implementing types. A proc macro is also provided. * A `Mut` variant of the above. Its derive macro uses the same field attribute to avoid repetition. ## Testing Added a test for `VisitEntities` that also transitively tests its derive macro as well as the default `MapEntities` impl. |
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