tanakaBox https://blog.hatena.ne.jp/tanakaBox/ ボクノス https://boxnos.hatenablog.com/ Ruby なんとなく。 % ruby -e 'ex = lambda{|e| puts e}; b = binding; STDIN.each{|l| ex.call(eval(l, b))}' 1 + 2 3 ex = lambda{|e| print "=> "; puts e} # ex update #<Proc:0xb7f40a58@-e:1> 1 + 2 => 3 ex = lambda{|e| print "=> "; puts e; print ": "} => #<Proc:0xb7f40760@-e:1> => nil : 1 + 2 => 3 : evalで自分自身を書換えながらプ… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070826%2F1188126036" title=" Rubyで自己書換えプログラムを作る。 - ボクノス" 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 2007-08-26 20:00:36 rich https://boxnos.hatenablog.com/entry/20070826/1188126036 1.0 100%