map in hash ruby code example
Example 1: ruby map array
array = ["a", "b", "c"]
array.map { |string| string.upcase }
# ["A", "B", "C"]Example 2: ruby map
array = [0, 1, 2]
array.map { |number| number }array = ["a", "b", "c"]
array.map { |string| string.upcase }
# ["A", "B", "C"]array = [0, 1, 2]
array.map { |number| number }