Kless wrote:
> I wanted to know why or when is used Proc because it looks that is the
> same that a method.

Often you use Procs that have been created from a block. Using a method 
instead of a proc in that case is not really an option.
Other times you use Procs that you want to eventually pass to a method as
parameter. You could use methods there, but that would somewhat pollute the
namespace by defining a new method that you're never gonna call directly 
anyway.

HTH,
Sebastian
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