51 lines
5.2 KiB
HTML
51 lines
5.2 KiB
HTML
<!DOCTYPE html>
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<title>test.rkt</title>
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<meta name="generator" content="KF5::SyntaxHighlighting - Definition (Racket) - Theme (Breeze Dark)"/>
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</head><body style="background-color:#232629;color:#cfcfc2"><pre>
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<span style="color:#7a7c7d">#lang racket/gui</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> my-language </span>'English<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> translations</span>
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#hash<span style="color:#3f8058">([</span>English . <span style="color:#f44f4f">"Hello world"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>French . <span style="color:#f44f4f">"Bonjour le monde"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>German . <span style="color:#f44f4f">"Hallo Welt"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>Greek . <span style="color:#f44f4f">"Γειά σου, κόσμε"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>Portuguese . <span style="color:#f44f4f">"Olá mundo"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>Spanish . <span style="color:#f44f4f">"Hola mundo"</span><span style="color:#3f8058">]</span>
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<span style="color:#3f8058">[</span>Thai . <span style="color:#f44f4f">"สวัสดีชาวโลก"</span><span style="color:#3f8058">]))</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> my-hello-world</span>
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<span style="color:#3f8058">(</span>hash-ref translations my-language
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<span style="color:#f44f4f">"hello world"</span><span style="color:#3f8058">))</span>
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<span style="color:#3f8058">(</span>message-box <span style="color:#f44f4f">""</span> my-hello-world<span style="color:#3f8058">)</span>
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<span style="color:#7a7c7d">; Organizing interconnected function definitions with local</span>
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<span style="color:#7a7c7d">; [List-of Number] [Number Number -> Boolean]</span>
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<span style="color:#7a7c7d">; -> [List-of Number]</span>
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<span style="color:#7a7c7d">; produces a version of alon0, sorted according to cmp</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> </span><span style="color:#3f8058">(</span>sort-cmp alon0 cmp<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span>local <span style="color:#3f8058">(</span><span style="color:#7a7c7d">; [List-of Number] -> [List-of Number]</span>
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<span style="color:#7a7c7d">; produces the sorted version of alon</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> </span><span style="color:#3f8058">(</span>isort alon<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span><span style="font-weight:bold">cond</span>
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<span style="color:#3f8058">[(</span>empty? alon<span style="color:#3f8058">)</span> '<span style="color:#3f8058">()]</span>
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<span style="color:#3f8058">[</span><span style="font-weight:bold">else</span>
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<span style="color:#3f8058">(</span>insert <span style="color:#3f8058">(</span>first alon<span style="color:#3f8058">)</span> <span style="color:#3f8058">(</span>isort <span style="color:#3f8058">(</span>rest alon<span style="color:#3f8058">)))]))</span>
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<span style="color:#7a7c7d">; Number [List-of Number] -> [List-of Number]</span>
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<span style="color:#7a7c7d">; inserts n into the sorted list of numbers alon</span>
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<span style="color:#3f8058">(</span><span style="color:#0099ff;font-weight:bold">define</span><span style="color:#8e44ad"> </span><span style="color:#3f8058">(</span>insert n alon<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span><span style="font-weight:bold">cond</span>
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<span style="color:#3f8058">[(</span>empty? alon<span style="color:#3f8058">)</span> <span style="color:#3f8058">(</span><span style="font-weight:bold">cons</span> n '<span style="color:#3f8058">())]</span>
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<span style="color:#3f8058">[</span><span style="font-weight:bold">else</span> <span style="color:#3f8058">(</span><span style="font-weight:bold">if</span> <span style="color:#3f8058">(</span>cmp n <span style="color:#3f8058">(</span>first alon<span style="color:#3f8058">))</span>
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<span style="color:#3f8058">(</span><span style="font-weight:bold">cons</span> n alon<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span><span style="font-weight:bold">cons</span> <span style="color:#3f8058">(</span>first alon<span style="color:#3f8058">)</span>
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<span style="color:#3f8058">(</span>insert n <span style="color:#3f8058">(</span>rest alon<span style="color:#3f8058">))))])))</span>
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<span style="color:#3f8058">(</span>isort alon0<span style="color:#3f8058">)))</span>
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</pre></body></html>
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