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Carmen Ibarcena
iOS Development Techdegree Student 8,296 Pointsfunction Scope when i input the code that Pasan is doing it raise an error
func countDownAndUp(var a: Int) { var b = a
while b >= 0 {
b--
a++
print("a: (a)")
print("b: (b)")
} } var a = 20 countDownAndUp(10)
it raise me an error when i add var to the parameter because it says that it can not be add and also on a++ it tells me that i have to write it a += 1 and b-- it says b -= 1 i don't know i am confuse!
Thank you in advance
3 Answers
Jennifer Nordell
Treehouse TeacherIt's not your fault! Swift deprecated the use of ++ and --. Switch the ++ to += 1 and the -- to -= 1. This should fix your errors. Hope this helps!
Carmen Ibarcena
iOS Development Techdegree Student 8,296 PointsThank you
Phuong Duy PHAM
1,690 Pointsswift 3 is a bit deferent ++ = ( += 1) and -- = ( -= 1)