enum.minmax_by { |obj| block } â [min, max]enum.minmax_by â an_enumerator
Instance Public methods
Returns a two element array containing the objects in enum that
correspond to the minimum and maximum values respectively from the given
block.
If no block is given, an enumerator is returned instead.
a = %w(albatross dog horse)
a.minmax_by { |x| x.length } #=> ["dog", "albatross"]