From: "Iñaki Baz Castillo" <ibc@...>
Date: 2009-03-30T19:01:55+09:00
Subject: Re: Symbols garbage collector in Ruby1.9, fixed?

2009/3/30 Bill Kelly <billk@cts.com>:
>> Thanks but it is too slow:
>>
>> Benchmark.realtime{ Symbol.all_symbols.map {|s| s.to_s}.include? "qwe" }
>> => 0.00371980667114258
>>
>> I cannot do this test for each header in each received message.
>
> I assumed you had a plan for that.  :)
>
> We could cache them as a hash, for rapid lookup:
>
>  @known_symbols = Hash[ *Symbol.all_symbols.map {|s| [s.to_s,true]}.flatten
> ]
>
> # Later....
>
>  @known_symbols.include? "xyzzy"

That sounds interesting, I'll try it.

Thanks :)


-- 
Iñaki Baz Castillo
<ibc@aliax.net>