[#1491] bug — Mathieu Bouchard <matju@...>
6 messages
2003/09/01
[#1492] non-blocking mode behavior (Re: bug)
— nobu.nokada@...
2003/09/01
Hi,
[#1512] New tests — Dave Thomas <Dave@...>
I was looking through the new test/ruby/* stuff just now, and notices
6 messages
2003/09/05
[#1533] GC disable / enable question — Torsten Rueger <torsten.rueger@...>
Moi,
7 messages
2003/09/17
[#1534] Re: GC disable / enable question
— nobu.nokada@...
2003/09/17
Hi,
[#1541] How to debug ? — Torsten Rueger <torsten.rueger@...>
Moi,
6 messages
2003/09/19
[#1542] Re: How to debug ?
— ts <decoux@...>
2003/09/19
>>>>> "T" == Torsten Rueger <torsten.rueger@hiit.fi> writes:
[#1551] Hashes as keys — "Nathaniel Talbott" <nathaniel@...>
I was just playing around with Hash#hash and discovered that you can't use a
13 messages
2003/09/23
[#1552] Re: Hashes as keys
— Jim Freeze <jim@...>
2003/09/23
On Wednesday, 24 September 2003 at 6:21:33 +0900, Nathaniel Talbott wrote:
[#1556] ostruct.rb patch — "Nathaniel Talbott" <nathaniel@...>
I've been finding OpenStruct to be very useful lately, and then I discovered
9 messages
2003/09/24
[#1557] Re: ostruct.rb patch
— "NAKAMURA, Hiroshi" <nahi@...>
2003/09/24
Hi, Nathaniel,
Re: Hashes as keys
From:
matz@... (Yukihiro Matsumoto)
Date:
2003-09-24 15:57:21 UTC
List:
ruby-core #1569
Hi,
In message "Hashes as keys"
on 03/09/24, "Nathaniel Talbott" <nathaniel@talbott.ws> writes:
|I was just playing around with Hash#hash and discovered that you can't use a
|Hash as a key in a hash:
|
| h = {{} => 'a'}
| p h[{}]
|
| => nil
|
|Is this intentional? Since hash overrides #==, I expected it to do the same
|with #hash, but it appears that it just uses Object#hash, which is different
|for every instance.
I believe you've understand now. You *can* use hashes as keys, but
it's designed to be useless.
matz.