how to make a while loop in swift code example

Example 1: swift do while

var x = 0; 
while x < 10 { 
    print "\(x)" //prints x until x < 10 evaluates to false
    x = x + 1
}

Example 2: while loop swift

// runs until some boolean expression is false
while booleanExpression {
    //block of code to be executed...
}