From: MenTaLguY <mental@...>
Date: 2008-03-11T09:42:10+09:00
Subject: Re: What's the current state of * and/or to_a?


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On Tue, 2008-03-11 at 08:40 +0900, David A. Black wrote:
> irb(main):002:0> obj =3D Object.new
> =3D> #<Object:0x3cb748>
> irb(main):003:0> obj.to_a
> NoMethodError: undefined method `to_a' for #<Object:0x3cb748>
> irb(main):004:0> [*obj]
> =3D> [#<Object:0x3cb748>]
>=20
> Am I right in interpreting this to mean that * works by doing an
> implicit to_a-ish operation, unless to_a is defined in which case it
> uses to_a? (I was kind of expect it not to work in the absence of the
> default to_a, though I'm happy if it does.)

I believe the splat operator is based on Array(), not #to_a directly.

-mental

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