From: Sam'l B <samlb@...>
Date: 2006-12-22T15:35:10+09:00
Subject: Re: |song| Not documented in Pickaxe Book

Jeremy McAnally wrote:
> That is a parameter passed to a block.  It allows the method that
> yielded to the block to pass information into the block, which in this
> case is a song title (I'm guessing?).
> 
> Think of it (sort of) as the method yielding to the block feeding it a
> parameter like you would a method call: a value is passed in from the
> caller and stored in a local instance to be used in the block.

	That's what I had figured out intuitively -- it catches whatever the 
method on the left spits out.

Sam'l

> 
> --Jeremy
> 
> On 12/21/06, Sam'l B <samlb@samlb.ws> wrote:
>>         Nope -- P. 76 has a discussion of gsub, in the context of 
>> "Backslash
>> Sequences in the Substitution"
>>
>> Timothy Hunter wrote:
>> > Sam'l B wrote:
>> >>     Pickaxe Book (2nd Ed.), P. 49, 2nd example, line 3:
>> >>
>> >>     @songs.find {|song| title == song.name }
>> >>
>> >>     I  can't find a definition of the "|song|" construction in the
>> >> book. It is intuitively obvious that it is a variable, and a sort of
>> >> "catcher's mitt" for the output of the method "@songs.find" -- and
>> >> acts that way for all other example in the book that I can find.
>> >>
>> >>     What I _can't_ find, though, is a discussion of the construction
>> >> -- or did I miss it somewhere?
>> >>
>> >> Sam Bassett
>> >>
>> > In the Pickaxe 2nd Ed., look at the top of page 76.
>> >
>>
>>
> 
> 
>