Ruby 2.3.0

A minor revision with major impact

(and no breaking changes!)

Did You Mean?

&.

&.

The safe navigation operator

(or lonely operator)

Can you dig it?

Hash.dig + Array.dig

.positive? 

.negative?

I can tell you what I don't want

.grep + .grep_v

Chill Them Strings Out

String.freeze

Proc That Hash

Hash.to_proc

Fetch Them Values

Hash.fetch_values

Compare Them Hashes

Thanks!

Resources

Release announcement

https://www.ruby-lang.org/en/news/2015/12/25/ruby-2-3-0-released/

Changelog

https://github.com/ruby/ruby/blob/v2_3_0/ChangeLog

Interview with Matz about 2.3.0

https://blog.heroku.com/archives/2015/12/25/ruby-2-3-0-on-heroku-with-matz

New features in Ruby 2.3.0

https://blog.blockscore.com/new-features-in-ruby-2-3/

More examples of new features in Ruby 2.3.0

http://work.stevegrossi.com/2016/01/14/new-features-in-ruby-2-3/

What's new in Ruby 2.3.0

http://nithinbekal.com/posts/ruby-2-3-features/