package main

import (
    "fmt"
    "strings"
)

type Cock func(string) string

func (c Cock) Dick(s string) {
    a := c(s)

    fmt.Println(a)
}

func main() {
    b := "booba"

    var cock Cock = func(s string) string {
        return strings.Repeat(s, 10)
    }

    cock.Dick(b)
}