/usr/home/zennix/.local/share/gem/ruby/3.3/gems/webrick-1.8.2/lib/webrick/server.rb:89:in `update': no implicit conversion of String into Hash (TypeError)
 @config = default.dup.update(config)
 ^^^^^^
 from /usr/home/zennix/.local/share/gem/ruby/3.3/gems/webrick-1.8.2/lib/webrick/server.rb:89:in `initialize'
 from /usr/home/zennix/.local/share/gem/ruby/3.3/gems/webrick-1.8.2/lib/webrick/httpserver.rb:47:in `initialize'
 from src/main.rb:57:in `new'
 from src/main.rb:57:in `<main>'
[zennix@s12]:<~/y0d9>$

[zennix@s12]:<~/y0d9>$ ruby -v
ruby 3.3.2 (2024年05月30日 revision e5a195edf6) [amd64-freebsd14]