Swift version 4.1 (swift-4.1-RELEASE)/usercode/main.swift:3:9: error: expected expression #elsif swift(>=4.0.3) // it should be `elseif` ^ /usercode/main.swift:4:17: error: invalid redeclaration of 'version' let version = "4.0.3" ^ /usercode/main.swift:2:17: note: 'version' previously declared here let version = "4.1.0" ^