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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>X</title><link rel="stylesheet" href="doc.css" type="text/css"></head><body><h1>X</h1><dl><dt><a name="xchg"><code>(xchg 'var 'var ..) -> any</code></a><dd>Exchange the values of successive <code>var</code> argument pairs.<p><pre><code>: (setq A 1 B 2 C '(a b c))-> (a b c): (xchg 'A C 'B (cdr C))-> 2: A-> a: B-> b: C-> (1 2 c)</code></pre><dt><a name="xor"><code>(xor 'any 'any) -> flg</code></a><dd>Returns T if exactly one of the arguments evaluates to non-<code>NIL</code>.<p><pre><code>: (xor T NIL)-> T: (xor T T)-> NIL</code></pre><dt><a name="x|"><code>(x| 'num ..) -> num</code></a><dd>Returns the bitwise <code>XOR</code> of all <code>num</code> arguments. Seealso <code><a href="ref_.html#&">&</a></code>, <code><ahref="ref_.html#|">|</a></code> and <code><ahref="refB.html#bit?">bit?</a></code>.<p><pre><code>: (x| 2 7)-> 5: (x| 2 7 1)-> 4</code></pre></dl></body></html>⌨️ 快捷键说明
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