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06-variables/02-declarations/06-examples/main.go

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+// 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() {
+	// names are case-sensitive:
+	// MyAge, myAge, and MYAGE are different variables
+
+	// USE-CASE:
+	// When to use a parallel declaration?
+	//
+	// NOT GOOD:
+	// var myAge int
+	// var yourAge int
+	//
+	// SO-SO:
+	// var (
+	// 	myAge int
+	// 	yourAge int
+	// )
+	//
+	// BETTER:
+	var myAge, yourAge int
+	fmt.Println(myAge, yourAge)
+
+	var temperature float64
+	fmt.Println(temperature)
+
+	var success bool
+	fmt.Println(success)
+
+	var language string
+	fmt.Println(language)
+}