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Linq: List of lists to a long list
I have convert it using LINQ.
List<List<string>> to List<string>.
If the leaves overlap one. Must be In one line.
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1Can you provide an example? I'm not sure if I understand what you need.SWeko– SWeko2011-07-07 11:48:37 +00:00Commented Jul 7, 2011 at 11:48
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"If the leaves overlap one" what do you mean by that? Do you want to simply flatten the list, or do you only want distinct elements, or something entirely different?CodesInChaos– CodesInChaos2011-07-07 11:51:30 +00:00Commented Jul 7, 2011 at 11:51
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SelectMany is what exactly I was looking for. Thank you all.Rafal T– Rafal T2011-07-07 11:54:30 +00:00Commented Jul 7, 2011 at 11:54
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When I typed differently I found even otherwise. stackoverflow.com/questions/462879/… I apologize for repeating questionsRafal T– Rafal T2011-07-07 11:59:08 +00:00Commented Jul 7, 2011 at 11:59
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3 Answers
input.SelectMany(l => l).Distinct().ToList();
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Your question is a bit under specified.
input.SelectMany(list=>list).ToList()
This puts all strings that are part of any list into the result list. If you need only unique elements add .Distinct between the SelectMany and the ToList
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List<List<string>> listOfLists = new List<List<string>>();
List<string> flattenedList = ListOfLists.SelectMany(x => x).ToList();
