Swift number formatting

Question

I am just starting to get to know Swift but I am having a serious problem with number formatting at an extremely basic level.

For example, I need to display an integer w

Answer 1

There is a simple solution I learned with "We <3 Swift", which is so easy you can even use without Foundation, round() or Strings, keeping the numeric value.

Example:

var number = 31.726354765
var intNumber = Int(number * 1000.0)
var roundedNumber = Double(intNumber) / 1000.0

result: 31.726