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mickey/gist:238204

Created November 18, 2009 20:17
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gistfile1.rb
>> h = Hash.new {raise IndexError }
=> {}
>> h[:bla]
IndexError: IndexError
from (irb):39
from (irb):40:in `call'
from (irb):40:in `default'
from (irb):40:in `[]'
from (irb):40
>> h = {}
=> {}
>> h.fetch(:blah)
IndexError: key not found
from (irb):42:in `fetch'
from (irb):42
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