Created
December 4, 2010 03:37
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creating a deck of cards and shuffling in 4 lines of Ruby code -> via Dec Ruby issue PragPub -> http://www.pragprog.com/news/pragmatic-programmer-magazine-special-ruby-issue
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| suits = %w{ C D H S } | |
| ranks = [ *'2'..'10', *%w{ J Q K A } ] | |
| deck = suits | |
| .product(ranks) | |
| .map(&:join) | |
| hands = deck | |
| .shuffle | |
| .each_slice(13) | |
| puts hands.first.join(", ") |
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Line 2: syntax error, unexpected ',', expecting ']'
ranks = [ *'2'..'10', *%w{ J Q K A } ]
^
Line 2: syntax error, unexpected ']', expecting tCOLON2 or '[' or '.'
ranks = [ *'2'..'10', *%w{ J Q K A } ]
^
Line 4: syntax error, unexpected '.', expecting $end
.product(ranks)
^