Hi --

On Sat, 8 Feb 2003 nobu.nokada / softhome.net wrote:

> Hi,
>
> At Sat, 8 Feb 2003 10:58:13 +0900,
> dblack / candle.superlink.net wrote:
> > This has possible implications for other classes:
> >
> >   candle:~/hacking/ruby$ irb --simple-prompt
> >   >> class A < Array; end; A.new.replace([1,2,3]).class
> >   => A
> >   >> class A < Array; end; A.new.replace([1,2,3]).map {|x| x}.class
> >   => Array
>
> Enumerable#map always returns Array regardless its receiver.

Right -- I'm just wondering why the "regardless-of-receiver" principle
operates here but not with String#scan and others.  (And with
Regexp#match it's the class of the argument, not the receiver, that
determines the return value's class.)


David

-- 
David Alan Black
home: dblack / candle.superlink.net
work: blackdav / shu.edu
Web:  http://pirate.shu.edu/~blackdav