From: daz <dooby@...10.karoo.co.uk>
Date: 2009-11-21T14:42:19+09:00
Subject: [ruby-core:26853] Re: Internals: #to_s .vs. #to_str?

Kurt Stephens wrote:
> Is there a description of the semantic differences between #to_s and 
> #to_str?  Are there any particular constraints on the results of these 
> methods?  Is it considered "legal" to return frozen Strings in some 
> cases for either of the two?   Is one used internal for implicit casts?
>
> I have some ideas that may reduce GC work and improve large String 
> concatenation.
>
> I do remember a discussion about the differences between #to_a and 
> #to_ary, but I don't quite remember why they are semantically different.
>
> Thanks,
> Kurt
>
>
Here's a start ...
http://forums.pragprog.com/forums/54/topics/992


daz