1: var val string 2: if ok { 3: val = "okay" 4: } else { 5: val = "fail" 6: }
1: val := okay 2: if !ok { 3: val = "fail" 4: }
var val = if ok "okay" else "fail"
或者
var val = ok match {
true => "okay",
false => "fail"
}