Formatting Ruby Code 

4 rules of simple design (Kent Beck) 1. All tests pass 2. No duplicate code 3. Express all the ideas 4. Minimize classes and methods 

4 rules of simple design (Kent Beck) 1. All tests pass 2. No duplicate code 3. Express all the ideas 4. Minimize classes and methods 0. Code is properly formatted 

Styleguides ● https://github.com/bbatsov/ruby-style-guide ● https://github.com/styleguide/ruby ● etc 

Styleguides 

Styleguides ● Styleguides are great, but... 

Styleguides ● Styleguides are great, but… ● “Hey, can you format code according to …”? 

Go 

Go ● Go doesn’t have styleguides 

Go ● Go doesn’t have styleguides ● gofmt a.go 

rubyfmt 

Parsing ruby code 

Parsing ruby code https://github.com/seattlerb/ruby_parser 

Parsing ruby code https://github.com/seattlerb/ruby2ruby 

Diff 

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https://github.com/wojtekmach/rubyfmtbot 

Thanks! ● http://golang.org/cmd/gofmt ● https://github.com/seattlerb/ruby_parser ● https://github.com/seattlerb/sexp_processor ● https://github.com/seattlerb/ruby2ruby ● https://github.com/wojtekmach/rubyfmt ● https://github.com/wojtekmach/rubyfmtbot