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hc5duke/hash_default.rb

Created December 15, 2012 01:05
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hash defaults don't work like that.
Raw
hash_default.rb
> a = {}
# => {}
> a.default = []
# => []
> a[:b]
# => []
> a[:b] << 3
# => [3]
> a
# => {}
> a[:b]
# => [3]
> a[:c]
# => [3]
> a[:d]
# => [3]
# and so on
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