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iOS Swift Basics (retired) Control Flow Exercise: FizzBuzz Generator

Samar Khanna
Samar Khanna
1,757 Points
Posted by Samar Khanna
Samar Khanna
1,757 Points

What will be the code if i wanted to use a switch case code block?

Hi guys, I wanted to know the code for this game if I chose to use the switch command instead?

Meek D
Meek D
3,457 Points

can you post the code first for us to help you ?

Samar Khanna
Samar Khanna
1,757 Points
Samar Khanna
Samar Khanna
1,757 Points

'''var gameNumber = 1...30

for inputNumber in gameNumber { if (inputNumber % 3) == 0 && (inputNumber % 5) == 0 { println("FizzBuzz") } else if (inputNumber % 3) == 0 { println("Fizz") } else if (inputNumber % 5) == 0 { println("Buzz") } else { println(inputNumber) } } ''' This is the code i used

1 Answer

David Moran
David Moran
9,617 Points
David Moran
David Moran
9,617 Points 
let fizzbuzz = 1...20

for i in fizzbuzz {
    switch i  {
    case let i where (i % 3 == 0) && (i % 5 == 0): //
        println("FizzBuzz")
    case let i where (i % 3 == 0):
        println("Fizz")
    case let i where (i % 5 == 0):
        println("Buzz")
    default:
        println(i)
    }
}

When you want to use conditionals in a switch statement, use the where statement.

For this specific case, we're asking the variable to be used in a conditional (Use the number 3 then find out whether or not 3 % 3 == 0 is true). If the equation turns out to be true, then we will follow that case. In this case, the case will print out the line "Fizz"

https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Statements.html

Samar Khanna
Samar Khanna
1,757 Points
Samar Khanna
Samar Khanna
1,757 Points

Oh k thx, i didn't know the where statement

David Moran
David Moran
9,617 Points
David Moran
David Moran
9,617 Points

Not a problem, always glad to help :)

Esmobrander Ozpedelamo
Esmobrander Ozpedelamo
9,136 Points
Esmobrander Ozpedelamo
Esmobrander Ozpedelamo
9,136 Points

nice im new to iOS development, didn't know about the where statement, i wonder why they didn't cover that part?, kinda important i believe.