DRYな備忘録

Don't Repeat Yourself.

RubyのtimesみたいなやつをSwiftでやりたい

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

f:id:otiai10:20161102024057p:plain