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samuraijane/hash_key_options.rb

Created April 17, 2015 16:27
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To pull just the keys out of a hash, you have a few options but they are not interchangeable.
Raw
hash_key_options.rb
# This works in IRB but I could not get it to output in a browser. The command
# 'puts' will not output to a browser but with other methods, doing something
# like '{ |x| x}' usually works but not here.
hash.each_key { |x| puts x }
#This works to output to a browser. The output is an array.
hash.key
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