Or operator:||

var late = true
var skipBreakfast = true
var underslept = false
var checkEmails = false
// true OR true
println(skipBreakfast || late) // true
// true OR false
println(late || checkEmails)   // true
// false OR true
println(underslept || late)    // true
// false OR false
println(checkEmails || underslept) // false