rails dig method code example
Example: ruby dig
h = { foo: {bar: {baz: 1}}}
h.dig(:foo, :bar, :baz) #=> 1
h.dig(:foo, :zot, :xyz) #=> nil
g = { foo: [10, 11, 12] }
g.dig(:foo, 1) #=> 11
g.dig(:foo, 1, 0) #=> TypeError: Integer does not have #dig method
g.dig(:foo, :bar) #=> TypeError: no implicit conversion of Symbol into Integer