用途Intersect:
产生两个序列的集合交集.
a.Intersect(b)
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用法示例:
IList<string> a = new List<string> { "foo", "bar", "baz" };
IList<string> b = new List<string> { "baz", "bar", "qux" };
var stringsInBoth = a.Intersect(b);
foreach (string s in stringsInBoth)
{
Console.WriteLine(s);
}
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输出:
bar
baz
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