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- <h4 class="subsubsection">2.7.14.1 Cat</h4>
- <p>The list concatenation operation has this representation in virtual code.
- <a name="index-cat-2"></a>
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- <dl compact="compact">
- <dt> <em>T28</em></dt>
- <dd><p>[[<code>cat</code>]] = <code>((nil,nil),(nil,nil))</code>
- </p></dd>
- </dl>
- <p>This function takes a pair of lists as an argument, an returns the list
- obtained by appending the right one to the left. The semantics of
- concatenation is what one would expect.
- </p>
- <dl compact="compact">
- <dt> <em>P35</em></dt>
- <dd><p>[[<code>cat</code>]] <code>(nil,<var>z</var>)</code> = <code><var>z</var></code>
- </p></dd>
- <dt> <em>P36</em></dt>
- <dd><p>[[<code>cat</code>]] <code>((<var>x</var>,<var>y</var>),<var>z</var>)</code> = <code>(<var>x</var>,</code>[[<code>cat</code>]] <code>(<var>y</var>,<code>z</code>))</code>
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