String count and comparison

import Cocoa
// count
var varAa   = "Hello, Swift!"
var i=count(varAa)
var boolean=isEmpty(varAa)
println(boolean)

   



println( i)
// comparison
var vara="hel"
var varB   = "Hello, World!"

if vara == varB {
   println( "equal" )
} else {
   println( "e not equal" )
}