go-test/hello/hello.go

package main

import "fmt"

func main() {
	/*
				fmt.Println(111)
				fmt.Println("Hello World")
				fmt.Print("Hello" + "JaxMu")
			var stockcode = 123
			var enddate = "2025-12-31"
			var url = "Code=%d&endDate=%s"
			var target_url = fmt.Sprintf(url, stockcode, enddate)
			fmt.Println(target_url)
			var y uint8 = 222
			fmt.Print(y)
		const (
			a = iota //0
			b        //1
			c        //2
			d = "ha" //独立值，iota += 1
			e        //"ha"   iota += 1
			f = 100  //iota +=1
			g        //100  iota +=1
			h = iota //7,恢复计数
			i        //8
		)
		fmt.Println(a, b, c, d, e, f, g, h, i)*/
	const (
		i = 1 << iota
		j = 3 << iota
		k // 3<<2
		l // 3<<3
		x // 3<<4
	)
	fmt.Println("i=", i)
	fmt.Println("j=", j)

}