1 // CS1640: foreach statement cannot operate on variables of type `T' because it contains multiple implementation of `System.Collections.Generic.IEnumerable<T>.GetEnumerator()'. Try casting to a specific implementation
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4 using System.Collections.Generic;
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8 public static void Test<T>(T t)
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9 where T: IEnumerable<string>, IEnumerable<int>
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11 foreach (int i in t)
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