rkh/lazy.rb

Created March 19, 2012 12:53

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lazy.rb

	def lazy
	yield
	rescue NameError
	Module.new
	end

	begin
	raise "foo"
	rescue lazy { Foo }, lazy { Exception }
	end

judofyr commented Mar 19, 2012

Or use a null object:

class Null
  def self.===(o) false end
end

def lazy
  yield
rescue NameError
  Null
end

Author

rkh commented Mar 19, 2012

Yeah, or that. Performance optimizing your rescue clause.

judofyr commented Mar 19, 2012

I don't always rescue exceptions, but when I do it's SUPER FAST.

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