# Finds the largest and smallest words in a given string.
#
# @param s [String] The input string containing words.
# @return [Array<String>] An array containing [largest_word, smallest_word].
def find_largest_and_smallest_words(s)
# Split the string into an array of words based on whitespace
words = s.split
# Return empty strings if the input contains no words
return ["", ""] if words.empty?
# Use Ruby's idiomatic max_by and min_by to find elements based on length
largest = words.max_by(&:length)
smallest = words.min_by(&:length)
[largest, smallest]
end
def main
s = "Ruby is a general-purpose programming language with productivity and simplicity. "
# Ruby supports parallel assignment, matching Go's multiple return values behavior
largest, smallest = find_largest_and_smallest_words(s)
puts "Largest word: #{largest}"
puts "Smallest word: #{smallest}"
end
# Execute main if the script is run directly
if __FILE__ == $0
main
end
# run:
#
# Largest word: general-purpose
# Smallest word: a
#
