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lukewakeford/Reduce Playground Example

Last active January 8, 2019 14:29
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Reduce Playground Example
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Reduce Playground Example
import UIKit
struct product {
var price:Int?
var name:String
}
let array = [
product(price: 100, name: "First"),
product(price: nil, name: "Second"),
product(price: 300, name: "Thrid")
]
let numberSum = array.reduce(0, { x, y in
x + (y.price ?? 0)
})
print(numberSum)
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