I want to merge two Maps. I can use Map.addAll method, but this method does not support deep merge. I want to use addAll for all Maps and equvivalent method for Lists inside. Recursive solution is not simple task for me and using JS iterop is dirty. Any solution?
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possible duplicate of [How can I clone an Object (deep copy) in Dart?](http://stackoverflow.com/questions/13107906/how-can-i-clone-an-object-deep-copy-in-dart) – megawac Feb 03 '14 at 00:18
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Why not copy $.extend from the source? – Johan Feb 03 '14 at 00:22
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@megawac not a duplicate, that question is asking for a language built in way and the answer is simply 'no'. – Benjamin Gruenbaum Feb 03 '14 at 00:57
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And it is for merging maps which is different form deep copying of objects. – Günter Zöchbauer Feb 03 '14 at 09:20
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I have ported it for the Angular Dart UI project, but it's not yet properly tested (but in used in the Rating component)
https://github.com/akserg/angular.dart.ui/blob/master/lib/helper/extend.dart
will be moved shortly to
https://github.com/akserg/angular.dart.ui/blob/master/lib/utils/extend.dart
Günter Zöchbauer
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Thx, good work. I've started to work on my own solution with strong typing and not breaking pointers to target, if possible. This work is a great inspiration. – Zdeněk Mlčoch Feb 03 '14 at 13:28