From: Ibraheem Ibz Umaru-Mohammed <iumarumo@...>
Date: 2002-10-20T05:03:27+09:00
Subject: Re: string[lastchar] -> string?

* Szabolcs Szasz <sz@szasz.hu> [2002-10-19 20:55]:
> Ahhh, yes! Thanks!
> 
> I was reading the Pragmatic... book and the String class
> doesn't have that 'chr' method there. (And a special thanks 
> for the negative indexes, which I missed completely...)
> 

I usually just fire up the interpreter, and do something like:

ibz@ignoramus:$ irb
Reading config file... done.
ruby-1.7.3 on i686-pc-linux with irb 0.9(02/07/03)
Type 'help' for more information.
>>> String.methods.sort
["<", "<=", "<=>", "==", "===", "=~", ">", ">=", "__id__", "__send__", "allocate", "ancestors", "become", "class", "class_eval", "class_variables", "clone", "const_defined?", "const_get", "const_set", "constants", "display", "dup", "eql?", "equal?", "extend", "freeze", "frozen?", "hash", "id", "include?", "included_modules", "inspect", "instance_eval", "instance_method", "instance_methods", "instance_of?", "instance_variables", "is_a?", "kind_of?", "method", "method_defined?", "methods", "module_eval", "name", "new", "nil?", "private_class_method", "private_instance_methods", "private_methods", "protected_instance_methods", "protected_methods", "public_class_method", "public_instance_methods", "public_methods", "respond_to?", "send", "singleton_methods", "superclass", "taint", "tainted?", "to_a", "to_s", "type", "untaint"]
>>>

Which helps a little when The Book isn't nearby...

> > * Szabolcs Szasz <sz@szasz.hu> [2002-10-19 20:33]:
> > > How to elegantly get the last char of a string as a string?
> > > Somehow I fear I won't be cacthing girls' attention with this:
> > > 
> > >     if ('' << str[str.length-1]) = 'x'
> > >         str.chop
> > >         do_things_with(str)
> > >         ...
> > >     end
> > > 
[--- snip ---]

Also, although you won't be using the code above, you'll find you've 
forgotten a "=" and a "!" somewhere in there ;)

			--ibz.
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