76 lines
4.1 KiB
Markdown
76 lines
4.1 KiB
Markdown
---
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layout: default
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title: "Strings"
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parent: Composite
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ancestor: Funcons-beta
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---
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[Funcons-beta] : [Strings.cbs]
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-----------------------------
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### Strings
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<div class="highlighter-rouge"><pre class="highlight"><code>[
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<i class="keyword">Type</i> <span class="name"><a href="#Name_strings">strings</a></span>
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<i class="keyword">Funcon</i> <span class="name"><a href="#Name_string">string</a></span>
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<i class="keyword">Funcon</i> <span class="name"><a href="#Name_string-append">string-append</a></span>
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<i class="keyword">Funcon</i> <span class="name"><a href="#Name_to-string">to-string</a></span>
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]</code></pre></div>
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<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Type</i>
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<span class="name"><span id="Name_strings">strings</span></span> ~> <span class="name"><a href="../Lists/index.html#Name_lists">lists</a></span>(<span class="name"><a href="../../Primitive/Characters/index.html#Name_characters">characters</a></span>)</code></pre></div>
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<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Funcon</i>
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<span class="name"><span id="Name_string">string</span></span>(<span id="Variable47_C*"><i class="var">C<sup class="sup">*</sup></i></span>:<span class="name"><a href="../../Primitive/Characters/index.html#Name_characters">characters</a></span><sup class="sup">*</sup>) : =><span class="name"><a href="#Name_strings">strings</a></span>
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~> [<a href="#Variable47_C*"><i class="var">C<sup class="sup">*</sup></i></a>]</code></pre></div>
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Literal strings are written <code>"C1...Cn"</code>.
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A double-quote or backslash needs to be escaped: <code>"...\"..."</code>, <code>"...\\..."</code>.
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<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Funcon</i>
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<span class="name"><span id="Name_string-append">string-append</span></span>(<span id="Variable119_S*"><i class="var">S<sup class="sup">*</sup></i></span>:<span class="name"><a href="#Name_strings">strings</a></span><sup class="sup">*</sup>) : =><span class="name"><a href="#Name_strings">strings</a></span>
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~> <span class="name"><a href="../Lists/index.html#Name_list-append">list-append</a></span>(<a href="#Variable119_S*"><i class="var">S<sup class="sup">*</sup></i></a>)</code></pre></div>
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<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Built-in</i> <i class="keyword">Funcon</i>
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<span class="name"><span id="Name_to-string">to-string</span></span>(_:<span class="name"><a href="../../Value-Types/index.html#Name_ground-values">ground-values</a></span>) : =><span class="name"><a href="#Name_strings">strings</a></span></code></pre></div>
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The strings returned by <code><span class="name"><a href="#Name_to-string">to-string</a></span>(<i class="var">GV</i>)</code> are unspecified, except that when
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<code><i class="var">GV</i></code> is already a string, it is returned unchanged.
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<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Assert</i>
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<span class="name"><a href="#Name_to-string">to-string</a></span>(<i class="var">S</i>:<span class="name"><a href="#Name_strings">strings</a></span>) == <i class="var">S</i></code></pre></div>
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____
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From the [PLanCompS Project] | [CBS-beta issues...] | [Suggest an improvement...]
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[Strings.cbs]: Strings.cbs
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"CBS SOURCE FILE"
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[Funcons-beta]: /CBS-beta/docs/Funcons-beta
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"FUNCONS-BETA"
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[Unstable-Funcons-beta]: /CBS-beta/docs/Unstable-Funcons-beta
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"UNSTABLE-FUNCONS-BETA"
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[Languages-beta]: /CBS-beta/docs/Languages-beta
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"LANGUAGES-BETA"
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[Unstable-Languages-beta]: /CBS-beta/docs/Unstable-Languages-beta
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"UNSTABLE-LANGUAGES-BETA"
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[CBS-beta]: /CBS-beta "CBS-BETA"
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[PLanCompS Project]: https://plancomps.github.io
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"PROGRAMMING LANGUAGE COMPONENTS AND SPECIFICATIONS PROJECT HOME PAGE"
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[CBS-beta issues...]: https://github.com/plancomps/CBS-beta/issues
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"CBS-BETA ISSUE REPORTS ON GITHUB"
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[Suggest an improvement...]: mailto:plancomps@gmail.com?Subject=CBS-beta%20-%20comment&Body=Re%3A%20CBS-beta%20specification%20at%20Values/Composite/Strings/Strings.cbs%0A%0AComment/Query/Issue/Suggestion%3A%0A%0A%0ASignature%3A%0A
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"GENERATE AN EMAIL TEMPLATE"
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