package main

import "fmt"

func main() {
	type bigint int64

	var a bigint
	fmt.Printf("a type is %T\n", a)

	type (
		long int64
		char byte
	)

	var b long = 11
	var ch char = 'a'
	fmt.Printf("b = %d, ch = %c\n", b, ch)
}