Operator ForwardPipe

ForwardPipe.swift

import UIKit

// Definition

infix operator |> : ForwardPipePrecedence

precedencegroup ForwardPipePrecedence {
    associativity: left
    higherThan: AssignmentPrecedence
}

public func |> <T, U> (x: T, f: (T) -> U) -> U {
    return f(x)
}

// Usage

func multiply(x: Int) -> Int {
    return x * 2
}

func addTen(x: Int) -> Int {
    return x + 10
}

let number = 3
var result = number |> addTen |> multiply
result = number |> multiply |> addTen

// Further Reading
// https://nshipster.com/swift-operators/
// https://github.com/apple/swift/ ... /stdlib/public/core/Policy.swift