pluck(*keys)
public
Extract the given key from each element in the enumerable.
[{ name: "David" }, { name: "Rafael" }, { name: "Aaron" }].pluck(:name)
[{ id: 1, name: "David" }, { id: 2, name: "Rafael" }].pluck(:id, :name)
# File activesupport/lib/active_support/core_ext/enumerable.rb, line 179
def pluck(*keys)
if keys.many?
map { |element| keys.map { |key| element[key] } }
else
key = keys.first
map { |element| element[key] }
end
end