Function as a parameter in Swift
var numbers = [2, 3, 1]
numbers.sortInPlace({(a, b) in a > b})
//or
numbers.sortInPlace(){$0 > $1}
//numbers is [3, 2, 1]
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var numbers = [2, 3, 1]
numbers.sortInPlace({(a, b) in a > b})
//or
numbers.sortInPlace(){$0 > $1}
//numbers is [3, 2, 1]