Add Collection trait #431
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Add Collection trait #431
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This makes List usable over any impl of collection. List<Vec<W>, D> is roughly equivalent to the old List<W, D>.
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Adds a trait representing a "list of widgets", e.g.
Vec<W>or a struct where each field is a widget.Adds
kas::collection!to generate an anonymous implementation and instance of aCollection.Adjusts
ListandSplitterwidgets to useCollection; as such they no longer have the restriction that each child must have the same type.Uses this to rewrite the Gallery's editor to use a
Splitterand not use a custom widget.