Swift Tutorial - Swift Logical Operators






The logical operators are used with boolean values and expressions that return boolean values.

Logical operators are used to test whether two expressions are true or whether one expression is true.

The following table describes the logical operators supported by Swift.

OperatorDescription
!x Logical NOT
x && yLogical AND
x || yLogical OR

Example

The following code shows how to use Logical AND. 

let x = true
let y = false

let a = x && y

The following code shows how to use Logical OR. 

let x = true
let y = false

let b = x || y

The following code shows a Logical NOT. 

let x = true
let y = false

let c = !x