From: James Edward Gray II <james@...>
Date: 2006-01-13T00:14:42+09:00
Subject: Re: how can I give a name to an anonymous class

On Jan 12, 2006, at 9:06 AM, ara.t.howard@noaa.gov wrote:

> it's why i __always__ use
>
>   "#{ obj }"       # no useless after all

As far as I know, thats always equivalent to obj.to_s, which I think  
is better looking:

 >> class MyString
 >>   def to_s; "to_s called" end
 >>   def to_str; "to_str called" end
 >> end
=> nil
 >> my_string = MyString.new
=> to_s called
 >> "#{my_string}"
=> "to_s called"
 >> class MyString
 >>   undef to_s
 >> end
=> nil
 >> "#{my_string}"
NoMethodError: undefined method `to_s' for #<MyString:0x31d59c>
         from /usr/local/lib/ruby/1.8/irb.rb:154:in `inspect'
         from /usr/local/lib/ruby/1.8/irb.rb:154:in `eval_input'
         from /usr/local/lib/ruby/1.8/irb.rb:259:in `signal_status'
         from /usr/local/lib/ruby/1.8/irb.rb:147:in `eval_input'
         from /usr/local/lib/ruby/1.8/irb/ruby-lex.rb:244:in  
`each_top_level_statement'
         from /usr/local/lib/ruby/1.8/irb/ruby-lex.rb:230:in  
`each_top_level_statement'
         from /usr/local/lib/ruby/1.8/irb/ruby-lex.rb:229:in  
`each_top_level_statement'
         from /usr/local/lib/ruby/1.8/irb.rb:146:in `eval_input'
         from /usr/local/lib/ruby/1.8/irb.rb:70:in `start'
         from /usr/local/lib/ruby/1.8/irb.rb:69:in `start'
         from /usr/local/bin/irb:13
Maybe IRB bug!!

James Edward Gray II