let double = Double.random(in: -1.2...4.5)
let integer = Int.random(in: .min ... .max)
let unsignedInteger = UInt.random(in: 4...9)
let bool = Bool.random() // false/true
struct SeededRandomNumberGenerator: RandomNumberGenerator {
init(seed: Int) {
srand48(seed)
}
func next() -> UInt64 {
return UInt64(drand48() * Double(UInt64.max))
}
}
var seededGenerator = SeededRandomNumberGenerator(seed: 5)
var random = Int.random(in: -5...5, using: &seededGenerator) // 2
random = Int.random(in: -5...5, using: &seededGenerator) // 1
random = Int.random(in: -5...5, using: &seededGenerator) //-3
random = Int.random(in: -5...5, using: &seededGenerator) //-2
