我希望能够做到这样的事情:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Test
{
public interface IFoo
{
IEnumerable<int> integers { get; set; }
}
public class Bar : IFoo
{
public List<int> integers { get; set; }
}
}
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为什么编译器抱怨..?
Error 2 'Test.Bar' does not implement interface member 'Test.IFoo.integers'. 'Test.Bar.integers' cannot implement 'Test.IFoo.integers' because it does not have the matching return type of 'System.Collections.Generic.IEnumerable<int>'.
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据我所知,接口说IEnumerable,类使用List,但List 是 IEnumerable .....
我能做什么?我不想在类中指定IEnumerable,我想使用一个实现IEnumerable的具体类型,比如List ...