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											2018-10-13 23:30:21 +03:00
										 |  |  | // Copyright © 2018 Inanc Gumus | 
					
						
							|  |  |  | // Learn Go Programming Course | 
					
						
							|  |  |  | // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ | 
					
						
							|  |  |  | // | 
					
						
							| 
									
										
										
										
											2019-10-30 19:34:44 +03:00
										 |  |  | // For more tutorials  : https://learngoprogramming.com | 
					
						
							|  |  |  | // In-person training  : https://www.linkedin.com/in/inancgumus/ | 
					
						
							|  |  |  | // Follow me on twitter: https://twitter.com/inancgumus | 
					
						
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											2018-10-13 23:30:21 +03:00
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							|  |  |  | package main | 
					
						
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							|  |  |  | import "fmt" | 
					
						
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 | 
					
						
							|  |  |  | func main() { | 
					
						
							|  |  |  | 	var ( | 
					
						
							|  |  |  | 		name   string | 
					
						
							|  |  |  | 		age    int | 
					
						
							|  |  |  | 		famous bool | 
					
						
							|  |  |  | 	) | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	// Example #1 | 
					
						
							|  |  |  | 	name = "Newton" | 
					
						
							|  |  |  | 	age = 84 | 
					
						
							|  |  |  | 	famous = true | 
					
						
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							|  |  |  | 	fmt.Println(name, age, famous) | 
					
						
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 | 
					
						
							|  |  |  | 	// Example #2 | 
					
						
							|  |  |  | 	name = "Somebody" | 
					
						
							|  |  |  | 	age = 20 | 
					
						
							|  |  |  | 	famous = false | 
					
						
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							|  |  |  | 	fmt.Println(name, age, famous) | 
					
						
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 | 
					
						
							|  |  |  | 	// Example #3 | 
					
						
							|  |  |  | 	// EXERCISE: Why this doesn't work? Think about it. | 
					
						
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							|  |  |  | 	// name = 20 | 
					
						
							|  |  |  | 	// name = age | 
					
						
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 | 
					
						
							|  |  |  | 	// save the previous value of the variable | 
					
						
							|  |  |  | 	// to a new variable | 
					
						
							|  |  |  | 	var prevName string | 
					
						
							|  |  |  | 	prevName = name | 
					
						
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 | 
					
						
							|  |  |  | 	// overwrite the value of the original variable | 
					
						
							|  |  |  | 	// by assigning to it | 
					
						
							|  |  |  | 	name = "Einstein" | 
					
						
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							|  |  |  | 	fmt.Println("previous name:", prevName) | 
					
						
							|  |  |  | 	fmt.Println("current name :", name) | 
					
						
							|  |  |  | } |