module Enumerable
def find_no_more_than(limit)
inject([]) do |a,e|
a << e if yield e
return a if a.size >= limit
a
end
end
end
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
a.find_no_more_than(3) { |x| x % 2 == 0 } # => [2, 4, 6]