Rails - Jul 2009 - Curiosity about syntax for multi-line statements

Hi,

I posted at http://www.pastie.org/536025 four different continuation
schemes for a lengthy statement.  The first three work fine,  but the
fourth fails.  (The question arose as I was importing columnar
positions for selected columnar headings in a CSV file.)

Did I make a mistake or did the Ruby parser?

I''m running:
ruby 1.8.6
WinXP-Pro/SP2

Thanks in advance,
Richard

On Jul 6, 2009, at 11:54 AM, RichardOnRails wrote:
>
> Hi,
>
> I posted at http://www.pastie.org/536025 four different continuation
> schemes for a lengthy statement.  The first three work fine,  but the
> fourth fails.  (The question arose as I was importing columnar
> positions for selected columnar headings in a CSV file.)
>
> Did I make a mistake or did the Ruby parser?
Fails how?  As is, with my install (ruby 1.8.6 (2008-08-11 patchlevel  
287) [universal-darwin9.0]) I get this for the 4th:

4.
  %s = %d
  %s = %d
  Date = 0

But don''t get an error.  I think it''s a precedence problem. 
My guess
is % binds tighter than +, but I haven''t verified that.  Adding some  
()''s around the strings and it works like you''d expect.

   puts  ("4.\n %s = %d\n" +
           " %s = %d\n" +
           " %s = %d\n") % [
            :Date.to_s, date,
            :Description.to_s, description,
            :Amount.to_s, amount]