From: "David A. Black" <dblack@...>
Date: 2005-05-13T00:57:42+09:00
Subject: Re: {} vs begin/end [was Re: object loops and what they return]

Hi --

On Fri, 13 May 2005, Jim Weirich wrote:

>
> David A. Black said:
>> I know, it's not 100% reliable... but it suggests that, at least
>> roughly, 3% of 'do' blocks end on the same line, while 62% of {}
>> blocks end on the same line.  So this "odd" behavior is actually
>> pretty canonical :-)
>
> Hmmm ... More statistics, same code base, same disclaimers.
>
> dev05$ find . -name '*.rb' | xargs egrep '(each|loop) *do' | wc -l
>    1112
> dev05$ find . -name '*.rb' | xargs egrep '(each|loop) *{' | wc -l
>     878
> dev05$ find . -name '*.rb' | xargs egrep
> '(collect|map|find|find_all|select|((inject|grep) *\(.*\))) *do' | wc -l
>      68
> dev05$ find . -name '*.rb' | xargs egrep
> '(collect|map|find|find_all|select|((inject|grep) *\(.*\))) *{' | wc -l
>     657
>
> So, nearly 55% of methods that ignore the return value of the block use
> do/end.
>
> Over 90% of the methods that use the block's value use {}.
>
> So you can use either style and claim to be main-stream.

It looks like you can only claim to be mainstream if you use *both*
styles :-)  Or am I reasoning wrongly?


David

-- 
David A. Black
dblack@wobblini.net