WebNov 27, 2024 · From there, you can select all the fields you want compared. It will generate the code for you as needed. After that you can simply do var uniqueList = myContactsModel.toSet ().toList (); Share Follow answered Jul 14, 2024 at 14:01 Eduardo Thiesen 65 8 Add a comment Your Answer Post Your Answer WebAug 25, 2024 · How to remove duplicates from a list with lists in Dart / Flutter? .toSet ().toList () doesn't work. For Example: List one = [ [ [6, 51], [2, 76] ], [ [6, 51], [2, 76] ], [ [5, …
How can I delete duplicates in a Dart List? list.distinct()?
WebOct 6, 2012 · Add a key to map2. Add a value to a set which checks against the values of map2 If the values are duplicate the value doesn't get added to the set and disregard adding its corresponding key to map2. Code snippet: public static Map unique (Map m) { Map newMap = new ArrayMap (); //Remember all values in … WebMar 16, 2024 · One way to remove duplicates from a List of Map objects in Flutter without using a set is by iterating over the List and adding each Map object to a new List only if it does not already exist in the new List. poly studio x50 + tc8
How to Remove Item from Map in Flutter/Dart
WebThanks for the reply, the information in my maps needs to read as a single line of text and also be returnable as 4 separate values. I have used Set.from ().toList () on a list of Strings to remove the duplicates then I used .split (' ') [0] etc to make a list of maps from the unique strings. There is no need for spaces anywhere else in the ... WebFeb 3, 2013 · It's fairly easy to implement on your own: Iterable distinct (Iterable i) { var set = new Set (); return i.where ( (e) { var isNew = !set.contains (e); set.add (e); return isNew; }); It'd be even nicer if Set.add () returned a bool that indicated whether the set was modified: Iterable distinct (Iterable i) { var set = new Set (); return i.where ... WebSep 7, 2024 · Remove duplicates from unsorted array using Map data structure Difficulty Level : Easy Last Updated : 07 Sep, 2024 Read Discuss Courses Practice Video Given an unsorted array of integers, print the array after removing the duplicate elements from it. We need to print distinct array elements according to their first occurrence. Examples: shannon cowan cibc