Function in Go

func.go

package main

import "fmt"

func colormap(r uint8, g uint8, b uint8) (color map[string]uint8) {
        color := map[string]uint8{
                "r" : r
                "g" : g,
                "b" : b,
        }
        // return color
        return
}

func main() {
        fmt.Println(colormap(255, 255, 255))
}