Logical operators - Swift Tutorial

Logical operators play a crucial role in programming by allowing us to combine and manipulate Boolean values in Swift. Boolean values represent two states: true and false, and logical operators enable us to evaluate and control the flow of our programs based on these conditions. Swift provides three fundamental logical operators: logical NOT (!), logical AND (&&), and logical OR (||).

Logical NOT (!): The logical NOT operator, represented by an exclamation mark (!), is a unary operator that negates a Boolean value. It returns the opposite of the input value. For example:

let isTrue = true 
let isFalse = !isTrue // false

Logical AND (&&): The logical AND operator, represented by two ampersands (&&), performs a logical conjunction. It returns true only if both operands are true. Otherwise, it returns false. For example:

let a = true 
let b = false 
let result = a && b // false

Logical OR (||): The logical OR operator, represented by two vertical bars (||), performs a logical disjunction. It returns true if either of the operands is true. If both operands are false, it returns false. For example:

let x = true 
let y = false 
let result = x || y // true

These logical operators can be used to build complex conditional expressions and control the flow of your program based on different conditions.

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