Created
June 7, 2022 12:05
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This is how you can create the spaceship operator found in many other programming languages
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| infix operator <=> | |
| func <=><T: Comparable>(lhs: T, rhs: T) -> ComparisonResult { | |
| if lhs < rhs { return .orderedAscending} | |
| if lhs > rhs { return .orderedDescending } | |
| return .orderedSame | |
| } |
Usage:
let left = 5
let right = 6
let result = left <=> right
print(result.rawValue)
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From HWS+: https://www.hackingwithswift.com/plus/intermediate-swift/creating-a-spaceship-operator