zick Profile picture
Jan 29 4 tweets 1 min read
bit 1982年06月号『パソコン用Micro Prologの試作』読んだ。BASICで書かれたProlog処理系のコードが丸々載ってる。すべてを文字列として持ち、単一化は2つの文字列が一致するように文字列(の変数の部分)を直接書き換える驚きの作り。
なんとメモリが足りなくなるとスタックをフロッピーに退避する仮想記憶までついてる。 Image
3要素のソートに約10分という驚きの性能 Image
コメントがかわいい Image

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More from @zick_minoh

Dec 7, 2021
bitが全巻電子化されたので、全部読みたいけど時間がかかりすぎるから、とりあえずLISPの記事だけ読むことにした。具体的には g000001.cddddr.org/3847385058 ここに書いてる記事。
1970年12月号『記号処理言語(2) LISP 』読んだ。LISPの紹介と簡単な記号微分。定番な内容に感じる。
これは car[((A B) C)] の誤り? Image
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