From: ChrisO <ceo@...>
Date: 2004-09-16T09:24:49+09:00
Subject: Re: Ex-Perl coders: Howz it feel to convert to Ruby?

Phil Tomson wrote:

> In article <20040915185304.GD4046@lb.tenfour>,
> Dick Davies  <rasputnik@hellooperator.net> wrote:
> 
>>* Phil Tomson <ptkwt@aracnet.com> [0909 19:09]:
>>
>>
>>>....  You know all of the methods that will operate on a particular 
>>>object of a certain class (or you can easily find out) and there were more 
>>>methods available on builtin classes (for example, look at all of the 
>>>methods available on Array objects and compare with functions available in 
>>>Perl to operate on @list objects).
>>
>>That's something that shouldn't be overlooked -
>>
>>when I went back to perldoc after maybe 9 months away from Perl I had
>>major problebs remembering the right function to do a particular bit
>>of manipulation on a Hash. perldoc -f isn't much use without a method name,
>>and even Google is only useful if can say what you want :)
>>
>>With Ruby it was just 'ri Hash;ri Enumerable' to see all the methods
>>that worked on a Hash.
>>
> 
> 
> Or in irb: 
>   > Array.methods.sort
> => ["&", "*", "+", "-", "<<", "<=>", "==", "===", "=~", "[]", "[]=", 
> "__id__", "__send__", "all?", "any?", "assoc", "at", "class", "clear", 
> "clone", "collect", "collect!", "compact", "compact!", "concat", "delete", 
> "delete_at", "delete_if", "detect", "display", "dup", "each", 
> "each_index", "each_with_index", "empty?", "entries", "eql?", "equal?", 
> "extend", "fetch", "fill", "find", "find_all", "first", "flatten", 
> "flatten!", "freeze", "frozen?", "grep", "hash", "id", "include?", 
> "index", "indexes", "indices", "inject", "insert", "inspect", 
> "instance_eval", "instance_of?", "instance_variable_get", 
> "instance_variable_set", "instance_variables", "is_a?", "join", 
> "kind_of?", "last", "length", "map", "map!", "max", "member?", "method", 
> "methods", "min", "nil?", "nitems", "object_id", "pack", "partition", 
> "pop", "private_methods", "protected_methods", "public_methods", "push", 
> "rassoc", "reject", "reject!", "replace", "respond_to?", "reverse", 
> "reverse!", "reverse_each", "rindex", "select", "send", "shift", 
> "singleton_methods", "size", "slice", "slice!", "sort", "sort!", 
> "sort_by", "taint", "tainted?", "to_a", "to_ary", "to_s", "transpose", 
> "type", "uniq", "uniq!", "unshift", "untaint", "values_at", "zip", "|"]
> 

More "Wow!"  You can't do this in Perl (unless you call in another CPAN 
module to pick apart another module.  Hardly compariable.)

I becoming quite glad I've started this discussion.  I'm thinking I'm 
just about taken in with this.  Beautiful.

-ceo