twitter/util — pull request #38 by alexanderdean (2012-09-16 16:27:02+00:00)
Title: Adds a Ruby-style tap method

See also:

* http://www.naildrivin5.com/blog/2012/06/22/tap-versus-intermediate-variables.html
* http://stackoverflow.com/questions/3241101/with-statement-equivalent-for-scala