I'm not sure how I feel about inject's pathological case. What do you
all think should happen in the following code?


[2].inject {|a, i| puts i}


I might have thought that the block would never be called and the method
would return 2.
If the block must be called, I might expect "i" to be nil.
What actually happens is that the block is called and "i" is the same
thing as "a". I did not expect this and I'm trying to figure out how this
is either consistent or useful. Can someone clue me in to this behaviour?
Thank you...