You can also use a lambda:
ruby-1.9.2-p136 :004 > [:collect, lambda { |x| x.to_s + "!" }]
=> [:collect, #<Proc:0x000001009a29b8@(irb):4 (lambda)>]
On Mon, Jan 31, 2011 at 7:34 PM, Kevin Clark <[email protected]> wrote:
> > Ben,
> >
> > So that works when it's being passed directly to send but it won't
> > work when passed in from a splatted array!
> >
> > [1,2,3].send(*[:collect, &Proc.new{|x| x.to_s + "!"}])
> > -> SyntaxError: (irb):1: expecting ']'
>
> That doesn't work because you can't put a block in an array:
>
> >> [:collect, &Proc.new{|x| x.to_s + '!'}]
> SyntaxError: compile error
>
> Instead of storing the call and args in an array, you might want to
> consider a hash so you can label and handle blocks special case.
> There's some ambiguity in just shoving it in at the end of the args
> (is it a user argument or a handler?).
>
> --
> Kevin Clark
> http://glu.ttono.us
>
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>
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