From: Gautam Dey <gdey@...>
Date: 2006-06-18T11:48:33+09:00
Subject: Re: Newbie question about arrays.

Robert,

Thank you for you quick response.

Gautam.

On Jun 17, 2006, at 4:24 PM, Robert Dober wrote:

> On 6/18/06, Gautam Dey <gdey@mac.com> wrote:
>>
>> Hello all,
>>
>>    So I was going through the Ruby array documentation and came
>> across Array. abbrev(pattern = nil). However, every time I run the
>> example code in irb I get the following:
>>
>> rb(main):001:0> %w{ car cone }.abbrev
>> NoMethodError: undefined method `abbrev' for ["car", "cone"]:Array
>>          from (irb):1
>> irb(main):002:0>
>>
>>
>> What am I doing wrong? Do I need to include a module? If so, how?
>
>
> Nothing, the documentation is wrong,  I used  irb to check again
>
> irb(main):007:0> Array.new.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", "|"]
> irb(main):008:0>
>
> and there just is no abbrev method.
>
> However you are right with the module idea, quite impressive for a  
> newbie
>
> require "abbrev"
> => true
> irb(main):002:0>  Array.new.methods.sort
> => ["&", "*", "+", "-", "<<", "<=>", "==", "===", "=~", "[]", "[]=",
> "__id__", "__send__", "abbrev", "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", "|"]
> ["ala", "ada", "b", "broad", "crypt"].abbrev
> => {"ala"=>"ala", "al"=>"ala", "b"=>"b", "broa"=>"broad",  
> "crypt"=>"crypt",
> "c"=>"crypt", "ad"=>"ada", "cr"=>"crypt", "br"=>"broad",  
> "broad"=>"broad",
> "cryp"=>"crypt", "ada"=>"ada", "bro"=>"broad", "cry"=>"crypt"}
> irb(main):004:0>
>
> And you are set for the Ruby Quiz, good luck ;)
>
> Robert
>
>> Thank you,
>> Gautam
>>
>>
>>
>
>
> -- 
> Deux choses sont infinies : l'univers et la b�tise humaine ; en ce qui
> concerne l'univers, je n'en ai pas acquis la certitude absolue.
>
> - Albert Einstein