E_Mattsan https://blog.hatena.ne.jp/E_Mattsan/ エンジニアのソフトウェア的愛情 https://blog.emattsan.org/ Elixir めも # Rpn.eval "3 1 - 2.1 +" # => 4.1 defmodule Rpn do def eval(expression) do eval(tokenize(expression), []) end defp eval([], [result]), do: result defp eval(["+"|tokens], [rhs, lhs|stack]), do: eval(tokens, [lhs + rhs | stack]) defp eval(["-"|tokens], [rhs, lhs|stack]), do: eval(tokens, [lhs - rhs | … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20170330%2F1490849759" title=" RPN in Elixir - エンジニアのソフトウェア的愛情" 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 2017-03-30 13:55:59 rich https://blog.emattsan.org/entry/20170330/1490849759 1.0 100%