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sum in array swift

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Demo app answered on March 4, 2022 Popularity 8/10 Helpfulness 1/10

answer sum in array swift

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sum in array swift

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protocol Number 
{
   func +(l: Self, r: Self) -> Self
   func -(l: Self, r: Self) -> Self
   func >(l: Self, r: Self) -> Bool
   func <(l: Self, r: Self) -> Bool
}

extension Double : Number {}
extension Float  : Number {}
extension Int    : Number {}

infix operator += {}

func += <T:Number> (inout left: T, right: T)
{
   left = left + right
}

prefix operator +/ {}

prefix func +/ <T:Number>(ar:[T]?) -> T?
{
    switch true
    {
    case ar == nil:
        return nil

    case ar!.isEmpty:
        return nil

    default:
        var result = ar![0]
        for n in 1..<ar!.count
        {
            result += ar![n]
        }
        return result
   }
}

Popularity 8/10 Helpfulness 1/10 Language swift

Source: stackoverflow.com

Tags: sum swift

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Contributed on Apr 27 2022

Demo app

0 Answers Avg Quality 2/10

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swift sum array

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let numbers = [1, 2, 3, 4, 5]
let total = numbers.reduce(0, +)

Popularity 6/10 Helpfulness 4/10 Language swift

Source: www.hackingwithswift.com

Tags: sum swift

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Contributed on Dec 07 2022

%%20%20

0 Answers Avg Quality 2/10

sum in array swift

Comments(2)

-1

extension Sequence  {
    func sum<T: AdditiveArithmetic>(_ predicate: (Element) -> T) -> T { reduce(.zero) { $0 + predicate($1) } }
}

Popularity 8/10 Helpfulness 1/10 Language swift

Source: stackoverflow.com

Tags: swift sum

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Contributed on Apr 27 2022

Demo app

0 Answers Avg Quality 2/10

addition of numbers from array swift

Comment

-1

var totalSum = scaleData.map({$0.points}).reduce(0, +)

Popularity 5/10 Helpfulness 1/10 Language swift

Source: Grepper

Tags: numbers addition swift

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Contributed on Mar 04 2022

Sarthak Salunke

0 Answers Avg Quality 2/10

sum in array swift

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swift sum array

sum in array swift

addition of numbers from array swift

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