package main

import "fmt"

func main() {
    //常规定义变量的方式
    //var a int = 1
    //var b bool
    //var c string
    //var d float32

    //合并定义变量的方式
    var (
        a int
        b bool
        c string
        d float32

    )
    const s = "string123" //常量

    fmt.Printf("a = %d, b = %t ,c = %s ,d = %f\n",a,b,c,d)
    a = 10
    b = true
    c = "123"
    d = 9.8
    fmt.Printf("a = %d, b = %t ,c = %s ,d = %f\n",a,b,c,d)

    fmt.Println(s)

    //还有这种非常方便的定义方式 自动识别变量类型
    f := 10
    fmt.Println(f)
    g := "abc"
    fmt.Printf(g)
}