ruby - Why do I get false in both cases? -

i trying check if 2 integers in array in sum equal n. however, false first case, though think should true.

def sum_to_n?(array, n)   in array     s = n -     return true if array.include? s     return false if != n -   end end  puts sum_to_n?([1,2,3,4,5], 9) puts sum_to_n?([1,2,3,4,5], 12) 

you can in not many lines :-)

ary = [1,2,3,4,5] n=9 ary.combination(2).detect { |a, b| + b == n }