메서드를 정의하다.

method definded

package main

import (
  "fmt"
)
type counter int

func (r counter) inc(v int) int {
  return int(r) + v
}

type Person struct {
  name string
  age int32
}

func (p Person) IsAdult() bool {
    return p.age >= 18
}

func main() {
  x := counter(3)
  fmt.Println(x.inc(4))
  
  person := Person{name: "Michał", age: 29}
  fmt.Println(person.IsAdult())  // true
}