From: ts <decoux@...>
Date: 2004-10-25T01:12:47+09:00
Subject: Re: [rcr] String#first / String#last

>>>>> "t" == trans (T Onoma) <transami@runbox.com> writes:

t> On Sunday 24 October 2004 09:52 am, Simon Strandgaard wrote:

t> |     unless n.kind_of?(Integer)
t> |       raise TypeError, "#{length.class}#to_int should return Integer"
t> |     end

t> I don't think this is really needed, since such a bug would be worked out else 
t> where. (That #to_int might be used usefully for something other then 
t> returning an integer is extremely unlikely and thus not worth the check).

svg% ruby -e 'class A; def to_int() "a" end end; [1,2].first(A.new)'
-e:1:in `first': A#to_int should return Integer (TypeError)
        from -e:1
svg% 


Guy Decoux