"Enumerations and Optionals in Swift" was retired on May 31, 2020.

Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Functions in Swift Functions in Swift Recap: Functions

Posted by Alex Luo
Alex Luo
825 Points

Code does not run?

I get this error message with the code:

Executable requires at least macOS 10.12, but is being run on macOS 10.11.6, and so is exiting.xcrun: error: unable to locate xcodebuild, please make sure the path to the Xcode folder is set correctly! xcrun: error: You can set the path to the Xcode folder using /usr/bin/xcode-select -switch sh: line 1: xcrun:: command not found

functions.swift 
// Enter your code below
func temperatureInFahrenheit(temperature: Double) -> Double {
  return temperature
}

1 Answer

Stuart Wright
Stuart Wright
41,120 Points
Stuart Wright
Stuart Wright
41,120 Points

All Swift challenges on Treehouse seem to be broken at the moment. There is nothing wrong with your code.