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Feature #17153
closedAdd Enumerable#compact_map
Status:
Closed
Assignee:
-
Target version:
-
Description
I often write code like this (map
, then compact
):
nums = [1, 2, 3, 4, 5]
nums.map { |n| n * 10 if n.even? }.compact
#=> [20, 40]
Or like this:
nums.select(&:even?).map { |n| n * 10 }
#=> [20, 40]
I think it would be very useful and simpler if we could do it by calling one method:
nums.compact_map { |n| n * 10 if n.even? }
#=> [20, 40]
How about introducing Enumerable#compact_map
?
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