Swift - Data Type String Interpolation

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Introduction

In Swift, you can use the \() syntax to do string interpolation .

It has the following format: 

"Your string literal \(variable_name )"

The following example shows how:

Demo

let myName = "hi"
var strName = "My name is \(myName)"
print(strName)

Result

You can use this method to include a Double value in your string as shown here:

Demo

let radius = 3.45
var circumference = 2 * 3.14 * radius
var strResult = "The circumference is \(circumference)"
print(strResult)/*from   w w w .  ja  v a2s  . c o  m*/

Result

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