想请教下, 泛型方法里参数的ref 是什么意思?
<pre><span>static</span> <span>void</span> Swap<T>(<span>ref</span> T lhs, <span>ref</span> T rhs)</pre> <pre><br /></pre> <pre>如上代码段...</pre>
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<pre><span>static</span> <span>void</span> Swap<T>(<span>ref</span> T lhs, <span>ref</span> T rhs)</pre> <pre><br /></pre> <pre>如上代码段...</pre>
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