higepon https://blog.hatena.ne.jp/higepon/ higepon blog https://higepon.hatenablog.com/ mosh 1. (and (core-macro . and)) を builder-script の psyntax-system-macros に追加。 (and (macro . and)) を削除。 2. builder.ss に追加 (define-syntax build-and (syntax-rules () ((_ ae exp*) `(and . ,exp*)))) export に build-and を追加。3. expander.ss に追加 ((and) and-transformer) と (define and-transformer (lambda (e r mr) (… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20081129%2F1227963269" title=" psyntax で and を if に展開せずバックエンドに渡す方法 - higepon blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-11-29 21:54:29 rich https://higepon.hatenablog.com/entry/20081129/1227963269 1.0 100%