Hi,

In message "Re: Why does Array#first not use rb_ary_subseq?"
    on Fri, 18 May 2007 22:22:31 +0900, Stefan Rusterholz <apeiros / gmx.net> writes:

|But what I forgot to ask in my initial question: if those two 
|implementations have different characteristics, why isn't that 
|documented? (from the docs I'd just expect first to have nicer semantics 
|for its use-case and nothing else)

Just because it is just an implementation matter.  Anyway, I will
examine your code example, and check what we can do.

							matz.