kotlin-stdlib / kotlin / Long / plus plus Common JVM JS Native 1.0 operator fun plus ( other : Byte ) : Long (Common source) (Native source) operator fun plus ( other : Short ) : Long (Common source) (Native source) operator fun plus ( other : Int ) : Long (Common source) (Native source) operator fun plus ( other : Long ) : Long (Common source) (Native source) operator fun plus ( other : Float ) : Float (Common source) (Native source) operator fun plus ( other : Double ) : Double (Common source) (Native source) Adds the other value to this value.