Collect

collect

1 Ruby

Ruby

Copy

arr = [1, 2, 3]
arr2 = arr.collect { |a| a*2 }
puts arr2
# [2, 4, 6]

Ruby

Copy

arr = [1, 2, 3]
arr.collect! { |a| a*2 }
puts arr
# [2, 4, 6]

2 같이 보기

• select
• array_map