pluck(*keys)
public
Convert an enumerable to an array based
on the given key.
[{ 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 107
def pluck(*keys)
if keys.many?
map { |element| keys.map { |key| element[key] } }
else
map { |element| element[keys.first] }
end
end