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nvm, the following code prints true for s1 = "test" and false for "test "


string s1 = "test";
string s2 = s1.Trim();

Console.WriteLine(object.ReferenceEquals(s1, s2));

strings are immutable classes, fine

but consider the Trim function. What happens when Trim finds out theres nothing to trim. Will it do just "return this" or "return new string(this)"
??