How to resolve the algorithm Inverted syntax step by step in the Swift programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Inverted syntax step by step in the Swift programming language
Table of Contents
Problem Statement
Inverted syntax with conditional expressions In traditional syntax conditional expressions are usually shown before the action within a statement or code block: In inverted syntax, the action is listed before the conditional expression in the statement or code block: Inverted syntax with assignment In traditional syntax, assignments are usually expressed with the variable appearing before the expression: In inverted syntax, the expression appears before the variable: Task The task is to demonstrate support for inverted syntax forms within the language by showing both the traditional and inverted forms.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Inverted syntax step by step in the Swift programming language
Source code in the swift programming language
infix operator ~= {}
infix operator ! {}
func ~=(lhs:Int, inout rhs:Int) {
rhs = lhs
}
func !(lhs:(() -> Void), rhs:Bool) {
if (rhs) {
lhs()
}
}
// Traditional assignment
var a = 0
// Inverted using a custom operator
20 ~= a
let raining = true
let tornado = true
var needUmbrella = false
var stayInside = false
// Traditional conditional expression
if raining {needUmbrella = true}
// Inverted using a custom operator
_ = {stayInside = true} ! tornado
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