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Set operation: SymmetricExceptWith

SymmetricExceptWith removes all but the elements that are unique to one set or the other.

 
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

class Sample
{
    public static void Main()
    {

        var letters = new HashSet<char>("the quick brown fox");
        letters.SymmetricExceptWith("the lazy brown fox");
        foreach (char c in letters)
            Console.Write(c);
    }

}

The output:


quicklazy
« Set operation: Except
SortedSet »
 
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