type_example.go

package main

import "fmt"

type counter int
type mystring string

func (c *counter) inc() int { *c++; return int(*c) }
func (c *counter) dec() int { *c--; return int(*c) }

func (s *mystring) first() string { return string(string(*s)[0]) }

func main() {
	var c counter
	fmt.Println(c.inc())
	fmt.Println(c.inc())

	var hoge = "hogehoge"
	fmt.Println(string(hoge[0]))

	var moge mystring
	moge = "mogemoge"
	fmt.Println(moge.first())
}