From: Robert Klemme <shortcutter@...>
Date: 2009-10-21T04:55:06+09:00
Subject: Re: Tip du jour: no need to chomp before to_i

On 20.10.2009 00:49, Simon Krahnke wrote:
> * Robert Klemme <shortcutter@googlemail.com> (2009-10-13) schrieb:
> 
>> Basically Integer applies the same semantics as the Ruby parser while
>> #to_i just grabs the first sequence of digits, treats it as a decimal
>> number and turns it into an int. If there is no such sequence it falls
>> back to 0.
> 
> A little correction: to_i is passed the radix, which by default is 10.

Thanks for correcting me!

> It will return zero if the first character is not the set of digits for
> that radix, otherwise it will turn the run of digits at the front of the
> string into an integer according to the radix.

You meant to say "the first _non whitespace_ character". :-)

Cheers

	robert


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