count = 5 count.times.map { |i| i * i } # => [0, 1, 4, 9, 16]
let count = 5 [Int](0..<count).map { $0 * $0 } // => [0, 1, 4, 9, 16]
こうすか、しらんけど
count = 5 count.times.map { |i| i * i } # => [0, 1, 4, 9, 16]
let count = 5 [Int](0..<count).map { $0 * $0 } // => [0, 1, 4, 9, 16]
こうすか、しらんけど