package main 

import "fmt"

const (

    Big =  <<

    Small = Big >>

)

func needInt(x int) int {

    return x* +

}

func needFloat(x float64) float64{

    return x * 0.1

}

func main() {

    fmt.Println(needInt(Small))

    fmt.Println(needFloat(Small))

    fmt.Println(needFloat(Big))

}

package main 

import "fmt"

const (

    Big =  <<

    Small = Big >>

)

func needInt(x int) int {

    return x* +

}

func needFloat(x float64) float64{

    return x * 0.1

}

func main() {

    fmt.Println(Small);

    var intVariable int =

    //var float32Variable float32 = 1.2

    fmt.Println(needInt(Small))

    // constant 1267650600228229401496703205376 overflows int

    //fmt.Println(needInt(Big))

    fmt.Println(needFloat(Small))

    fmt.Println(needFloat(Big))

    //go语言对类型的要求是很严格的，所以你不能传递int到float中或者float到int

    fmt.Println(needInt(intVariable))

    //cannot use float32Variable (type float32) as type int in argument to needInt

    //fmt.Println(needInt(float32Variable))

    //cannot use intVariable (type int) as type float64 in argument to needFloat

    //fmt.Println(needFloat(intVariable))

    //cannot use float32Variable (type float32) as type float64 in argument to needFloat

    //fmt.Println(needFloat(float32Variable))

}

    //constant 1267650600228229401496703205376 overflows int

    fmt.Println(Big);