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comp.lang.ruby

using lambda in class_eval

Jimmy Soho

5/17/2008 4:14:00 AM

Hi All,

I'm looking to do something like:

def test(name, proc)
class_eval(<<-EOS, __FILE__, __LINE__)
def #{name}_string=(str)
# do stuff, whatever
self.#{name} = proc.call(str)
end
EOS
end

and I want to call it like e.g.:

class Project
attr_accessor :due_at
test :due_at, lamdba { |x| Time.parse(x) }
end

and then:

Project.new.due_at_string = "2008-01-01 00:00"
puts Project.new.due_at # should result in a Time object


The problem I'm facing is: how can I call proc from within the
interpolated string that is given to class_eval ?? How should I write
my class_eval differently?



Best regards,
Jimmy
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