List<bool> test = new List<bool>();
test.Sort(new Func<bool,bool,int>((b1,b2) => 1));

我错过了什么？

Error 2 Argument 1: cannot convert from ‘System.Func’ to ‘System.Collections.Generic.IComparer’

Error 1 The best overloaded method match for ‘System.Collections.Generic.List.Sort(System.Collections.Generic.IComparer)’ has some invalid arguments

当我有

private int func(bool b1,bool b2)
{
    return 1;
}

private void something()
{
    List<bool> test = new List<bool>();
    test.Sort(func);
}

它工作正常.他们不是一回事吗？