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sergeykish/sometimes_update_required

Created July 13, 2009 17:42
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sometimes_update_required
$ ruby --version
ruby 1.8.7 (2009-06-08 patchlevel 173) [i686-linux]
>> Hash[[[1, 2], [3, 4]]]
=> {1=>2, 3=>4}
$ ruby --version
ruby 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
>> Hash[[[1, 2], [3, 4]]]
ArgumentError: odd number of arguments for Hash
from (irb):12:in `[]'
from (irb):12
>> Hash[*[[1, 2], [3, 4]].flatten]
=> {1=>2, 3=>4}
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