Now that you’re learning some of the more complex parts of the Ruby language, you can combine them to work some truly arcane magicks. For instance, remember when we told you that you could pass a Ruby method name around with a symbol? Well, you can also convert symbols to procs using that handy little
Check it out:
strings = ["1", "2", "3"] nums = strings.map(&:to_i) # ==> [1, 2, 3]
&:to_i over every element of
strings, we turned each string into an integer!
Using the example in the instructions as a guide, use
map to create the
strings_array from the
numbers_array. Each element of
strings_array should be the string version of the corresponding element from the
numbers_array (that is, it should go
["1", "2", "3"... "10"]).