From: "Jan E." <lists@...>
Date: 2012-09-26T03:26:55+09:00
Subject: Re: inject problem

Roelof Wobben wrote in post #1077503:
>   h = Hash.new(0)
>   dice.each {|el| dice[el] += 1}
> [...]
> But now I'm getting this error : undefined method `+' for nil:NilClass

You want h[el] += 1, not dice[el] += 1. See the original code by Jesús.

-- 
Posted via http://www.ruby-forum.com/.