39 lines
		
	
	
		
			802 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			39 lines
		
	
	
		
			802 B
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // For more tutorials: https://blog.learngoprogramming.com | ||
|  | // | ||
|  | // Copyright © 2018 Inanc Gumus | ||
|  | // Learn Go Programming Course | ||
|  | // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ | ||
|  | // | ||
|  | 
 | ||
|  | package main | ||
|  | 
 | ||
|  | import "fmt" | ||
|  | 
 | ||
|  | func main() { | ||
|  | 	fmt.Println("Hello!") | ||
|  | 
 | ||
|  | 	// two files belong to the same package | ||
|  | 	// calling `bye()` of bye.go here | ||
|  | 	bye() | ||
|  | } | ||
|  | 
 | ||
|  | // EXERCISE: Remove the comments from the below function | ||
|  | //           And analyze the error message | ||
|  | 
 | ||
|  | // func bye() { | ||
|  | // 	fmt.Println("Bye!") | ||
|  | // } | ||
|  | 
 | ||
|  | // ***** EXPLANATION ***** | ||
|  | // | ||
|  | // ERROR: "bye" function "redeclared" | ||
|  | //        in "this block" | ||
|  | // | ||
|  | // "this block" means = "main package" | ||
|  | // | ||
|  | // "redeclared" means = you're using the same name | ||
|  | //   in the same scope again | ||
|  | // | ||
|  | // main package's scope is: | ||
|  | // all source-code files which are in the same main package |