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练习 12.5：hello_who.go 写一个"Hello World"的变种程序：把人的名字作为程序命令行执行的一个参数， 比如：hello_who Evan Michael Laura 那么会输出Hello Evan Michael Laura! 按照原实现，与题目中的示例不符
17 lines
200 B
Go
Executable File
17 lines
200 B
Go
Executable File
// hello_who.go
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package main
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import (
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"fmt"
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"os"
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"strings"
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)
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func main(){
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who := ""
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if len(os.Args) > 1 {
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who += strings.Join(os.Args[1:], " ")
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}
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fmt.Printf("Hello %s!\n",who)
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}
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