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January 4, 2016 16:39
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Hash[] difference between Ruby 1.9 and 2.x
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| # Ruby 1.9: | |
| Hash[ [ "", "key:value" ].map { |v| v.split( /:/) } ] | |
| # => {"key"=>"value"} | |
| # Ruby 2.0+: | |
| Hash[ [ "", "key:value" ].map { |v| v.split( /:/) } ] | |
| # ArgumentError: invalid number of elements (0 for 1..2) | |
| # from (pry):1:in `[]' |
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