From: "R. Kumar" <sentinel.2001@...>
Date: 2010-01-12T23:09:06+09:00
Subject: Re: Is 'rescue' expensive ?

I単aki Baz Castillo wrote:
> El Martes, 12 de Enero de 2010, R. Kumar escribi坦:
>> I単aki Baz Castillo wrote:
>> > El Martes, 12 de Enero de 2010, R. Kumar escribi坦:
>> > Ruby 1.9 has Array#size, sure.
>> 
>> I looked at http://yardoc.org/docs/ruby-core/Array and it did not show a
>> `size` method.
>> Perhaps that's been aliased and the doc does not report aliases. Best
>> thing is for me to try it in 1.9!
> 
> irb(main):023:0> RUBY_VERSION
> "1.9.1"
> 
> irb(main):025:0> RUBY_PATCHLEVEL
> 376
> 
> irb(main):024:0> [].size
> 0
> 
> 
> :)

Yes, i just checked myself. "size" matters :-).

If in 99 pc cases, "count" works, then the rescue is only read by the 
interpreter in the 1% case where it fails. Is that right?


(Anyway, for this particular case, i am changing count to size)
-- 
Posted via http://www.ruby-forum.com/.