shermansjliu / advanced_ruby_building_blocks Goto Github PK

puts %w[long short thick thin].my_inject('a', 'b')

puts (5..10).my_inject(:+)                             #=> 45
# Same using a block and inject
puts (5..10).my_inject { |sum, n| sum + n }            #=> 45
# Multiply some numbers
puts (5..10).my_inject(1, :*)                          #=> 151200
# Same using a block
puts (5..10).my_inject(1) { |product, n| product * n } #=> 151200
# find the longest word
longest = %w{ cat sheep bear commando }.my_inject do |memo, word|
   memo.length > word.length ? memo : word
end
puts longest