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keys

hsh.keys â array

Instance Public methods

Returns a new array populated with the keys from this hash. See also Hash#values.

h = { "a" => 100, "b" => 200, "c" => 300, "d" => 400 }
h.keys   #=> ["a", "b", "c", "d"]

doc_ruby_on_rails

2015-04-11 23:49:12

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