Add Range Distinct - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:IList

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Description

Add Range Distinct

Demo Code

// Permission is hereby granted, free of charge, to any person
using System.Globalization;
using System.Linq;
using System.Collections;
using System.Text;
using System.Reflection;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System;// w w  w . j  a  v  a2 s .co  m

public class Main{
    public static bool AddRangeDistinct<T>(this IList<T> list, IEnumerable<T> values, IEqualityComparer<T> comparer)
    {
      bool allAdded = true;
      foreach (T value in values)
      {
        if (!list.AddDistinct(value, comparer))
          allAdded = false;
      }

      return allAdded;
    }
    public static bool AddDistinct<T>(this IList<T> list, T value, IEqualityComparer<T> comparer)
    {
      if (list.ContainsValue(value, comparer))
        return false;

      list.Add(value);
      return true;
    }
    public static bool AddDistinct<T>(this IList<T> list, T value)
    {
      return list.AddDistinct(value, EqualityComparer<T>.Default);
    }
}

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