merbをインストールしてみたら
$sudo gem install merb ************************************************** Thank you for installing rspec-1.2.6 Please be sure to read History.rdoc and Upgrade.rdoc for useful information about this release. ************************************************** Building native extensions. This could take a while... Successfully installed rspec-1.2.6 Successfully installed addressable-2.0.2 Successfully installed extlib-0.9.12 Successfully installed data_objects-0.9.12 Successfully installed dm-core-0.9.11 Successfully installed dm-migrations-0.9.11 Successfully installed abstract-1.0.0 Successfully installed erubis-2.6.4 Successfully installed json_pure-1.1.6 Successfully installed mime-types-1.16 Successfully installed thor-0.9.9 Successfully installed merb-core-1.0.11 Successfully installed merb_datamapper-1.0.11 Successfully installed ZenTest-4.1.1 Successfully installed RubyInline-3.8.1 Successfully installed sexp_processor-3.0.1 Successfully installed ParseTree-3.0.3 Successfully installed ruby2ruby-1.2.2 Successfully installed merb-action-args-1.0.11 Successfully installed merb-assets-1.0.11 Successfully installed merb-slices-1.0.11 Successfully installed merb-auth-core-1.0.11 Successfully installed merb-auth-more-1.0.11 Successfully installed merb-auth-slice-password-1.0.11 Successfully installed merb-auth-1.0.11 Successfully installed merb-cache-1.0.11 Successfully installed merb-exceptions-1.0.11 Successfully installed highline-1.5.1 Successfully installed diff-lcs-1.1.2 Successfully installed templater-0.5.0 Successfully installed merb-gen-1.0.11 Successfully installed haml-2.0.9 Successfully installed merb-haml-1.0.11 Successfully installed merb-helpers-1.0.11 Successfully installed mailfactory-1.4.0 Successfully installed merb-mailer-1.0.11 Successfully installed merb-param-protection-1.0.11 Successfully installed merb-more-1.0.11 Successfully installed do_sqlite3-0.9.12 Successfully installed dm-timestamps-0.9.11 Successfully installed dm-types-0.9.11 Successfully installed dm-aggregates-0.9.11 Successfully installed dm-validations-0.9.11 Successfully installed randexp-0.1.4 Successfully installed dm-sweatshop-0.9.11 Successfully installed dm-serializer-0.9.11 Successfully installed merb-1.0.11 47 gems installed
自分で好きなようにライブラリが選べるとはいえ、使ったことないモジュールばかりだ。
まあぼちぼちソースコードくらいは眺めてみよう。