From: Paul Legato <pjlegato@...>
Date: 2006-01-05T10:55:55+09:00
Subject: Re: Default block parameter?

Mark J.Reed wrote:
> Okay, this is probably a dumb question, but how do I declare an
> optional block parameter with a default value?
> 
> I tried several variations on this basic theme:
> 
>         def meth(&block = lambda { |i| ... })
>         ...
>         end
> 
> But I keep getting syntax errors.  Help?
> 

I think the & is your problem. You can do something like:

def foo(block = lambda {|i| puts i})
    block.call("Hi")
end

foo()
foo(lambda {|i| puts i; puts i})

Best,
Paul