On Wed, Nov 30, 2011 at 14:26, Adam Prescott <adam / aprescott.com> wrote:

> You can do it with #chars, too.

Oh yeah!  Good catch!  That knocks four chars (no pun intended) off my solution.

> "2011".chars.inject(0) { |a, b| a + b.to_i }

Yup, inject was part of what I was thinking.  The other half is map.
Result, using chars:

  "2011".chars.map(&:to_i).inject(&:+)

Can anyone make that even shorter?  Let's play Ruby Golf!  ;-)

-Dave

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