"ruby map" Code Answer's
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ruby map array
array = ["a", "b", "c"]
array.map { |string| string.upcase }
# ["A", "B", "C"]
ruby map hash
hash = { bacon: "protein", apple: "fruit" }
hash.map { |k,v| [k, v.to_sym] }.to_h
# {:bacon=>:protein, :apple=>:fruit}
Source: www.rubyguides.com
ruby map
array = [0, 1, 2]
array.map { |number| number }
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