From: Tim Hunter <rmagick@...>
Date: 2008-03-03T23:30:47+09:00
Subject: Re: Normal For Loop

Jano Svitok wrote:
> On Mon, Mar 3, 2008 at 3:10 PM, Cory Cory <cg821105@ohio.edu> wrote:
>> I'm new to Ruby.  Is there such thing as a C++ style (and most others)
>>  for loop in Ruby?  What I mean by that is:
>>
>>  for( init, while-condition, increment ) { function-here }
>>
>>  I know I can do that with a while loop, but I enjoy the compactness of
>>  the above statement.  There are many times where Ruby's for-each loops
>>  just don't do the trick.
> 
> There is 5.times {|i| } if the count is known at cycle start.
> Then you have array.each {}, and the whole bunch from Enumerable
> (each_with_index, select, find, map, inject, ...)

Not to mention Numeric#step:

1.step(10, 2) { |i| print i, " " }

And Integer#upto:

5.upto(10) { |i| print i, " " }
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