From: Brian Candler <B.Candler@...>
Date: 2003-05-31T01:29:38+09:00
Subject: Re: to_s and concatenation

On Sat, May 31, 2003 at 01:06:49AM +0900, Rasputin wrote:
> Synonym for String#to_s . to_str is used by methods such as
> String#concat to convert their arguments to a string. Unlike to_s, which
> is supported by almost all classes, to_str is normally implemented only
> by those classes that act like strings. Of the built-in classes, only
> Exception and String implement to_str.
> 
> 
> supports what you just said (although the 'synonym for' sentence is a
> bit misleading), but what else would you use to_s for but to
> print to stdout?

Interpolation into strings - "#{foo}" - uses to_s

Regards,

Brian.