Is it possible in swift to evaluate the value of a string/execute a string of code?

Question

iOS

Is it possible in swift to evaluate the value of a string?
type:
var value = evaluate("7*(10+2)")

Answer 1

OSX:

import Cocoa

var numericExpression = "7*(10+2)"
let expression = NSExpression(format: numericExpression)
var result = expression.expressionValueWithObject(nil, context: nil) as! NSNumber
print(result) // 84

iOS:

import UIKit

var numericExpression = "7*(10+2)"
let expression = NSExpression(format: numericExpression)
var result = expression.expressionValueWithObject(nil, context: nil) as! NSNumber
print(result) // 84