one line map in ruby code example
Example 1: ruby map hash
hash = { bacon: "protein", apple: "fruit" }
hash.map { |k,v| [k, v.to_sym] }.to_h
# {:bacon=>:protein, :apple=>:fruit}Example 2: ruby map
array = [0, 1, 2]
array.map { |number| number }hash = { bacon: "protein", apple: "fruit" }
hash.map { |k,v| [k, v.to_sym] }.to_h
# {:bacon=>:protein, :apple=>:fruit}array = [0, 1, 2]
array.map { |number| number }