From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-10-30T18:41:06+09:00
Subject: Re: what is the difference between two block?

Arul hari wrote:
> Sebastian Hungerecker wrote:
> > it's convention to use
> > {} for single-line blocks and do end for multi-line blocks.
>
>      How do you say single line blocks and multi-line blocks.

Ehrm, I open my mouth and the words come out? I don't quite understand
your question.


> We can use both the methods are multi-line blocks.

You can use {} as well as do end for multi-line blocks, yes (I'm assuming 
that's what you meant to convey with the above sentence, although honstly I 
had some trouble parsing that). But it's *convention* to use do end for 
multi-line blocks. It's only convention, it's not enforced by ruby. As I 
said: the only real difference is precedence.


> could you say some example.

10.times {|i|
  bar=something(i)
  foo=bar.some_thing_else
  puts foo
} # Discouraged

10.times do |i|
  bar=something(i)
  foo=bar.some_thing_else
  puts foo
end # Encouraged


HTH,
Sebastian
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