From: Rodrigo Rosenfeld Rosas <rr.rosas@...>
Date: 2011-06-06T03:58:45+09:00
Subject: [ruby-core:36770] Re: [Ruby 1.9 - Feature #4830][Open] Provide Default Variables for Array#each and other iterators

Sorry, forgot to say that for hashes this becomes:

[key_name: 'value', another_key: 'another_value'].each{ println 
"${it.key}: ${it.value}"}

Em 05-06-2011 15:56, Rodrigo Rosenfeld Rosas escreveu:
> I would just like to point it out that in Groovy, one can write either:
>
> [1, 2].each{ println it }
>
> or
>
> [1, 2].each{ number -> println number }
>
> Em 05-06-2011 05:23, Lazaridis Ilias escreveu:
>> Issue #4830 has been reported by Lazaridis Ilias.
>>
>> ----------------------------------------
>> Feature #4830: Provide Default Variables for Array#each and other 
>> iterators
>> http://redmine.ruby-lang.org/issues/4830
>>
>> Author: Lazaridis Ilias
>> Status: Open
>> Priority: Normal
>> Assignee:
>> Category: core
>> Target version:
>>
>>
>> for arrays: use "item" by default
>> for hashes: use "key" and "value" by default
>>
>> names = ["Jane", "Michele", "Isabella"]
>> names.each { |name| print name, "\n" }
>> names.each { print item, "\n" }
>>
>> contact = {name:"Jane", phone:"1234567"}
>> contact.each { |key, value| print key, ": ", value, "\n"}
>> contact.each { print key, ": ", value, "\n"}
>>
>> -
>>
>> The benefits are:
>>
>> * more compact code (without loosing clarity of the code).
>> * no repetitions ("names, name, name") in a one-liner with {} block
>>
>> This extension does not break any existent behaviour.
>>
>>
>
>