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##
## $Release:$
## $Copyright$
##
module Kernel
##
## raise NotImplementedError
##
def not_implemented #:doc:
backtrace = caller()
method_name = (backtrace.shift =~ /`(\w+)'$/) && $1
mesg = "class #{self.class.name} must implement abstract method '#{method_name}()'."
#mesg = "#{self.class.name}##{method_name}() is not implemented."
err = NotImplementedError.new mesg
err.set_backtrace backtrace
raise err
end
private :not_implemented
end
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