main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
// ---------------------------------------------------------
// EXERCISE: Wrong doer
//
// 1. Print a variable
//
// 2. Then declare it
// (This means: Try to print it before its declaration)
//
// 3. Observe the error
// ---------------------------------------------------------
func main() {
// First print it:
// fmt.Println(?)
// Then declare it:
// var ? ?
}
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