Initial commit

first/explain/scopes/01-scopes/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
+
+// file scope
+import "fmt"
+
+// package scope
+const ok = true
+
+// package scope
+func main() { // block scope starts
+
+	var hello = "Hello"
+
+	// hello and ok are visible here
+	fmt.Println(hello, ok)
+
+} // block scope ends