add: switch statement exercises

12-switch/exercises/02-richter-scale-2/solution/main.go

@@ -0,0 +1,53 @@
+// 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"
+	"os"
+)
+
+func main() {
+	args := os.Args
+	if len(args) != 2 {
+		fmt.Println("Tell me the magnitude of the earthquake in human terms.")
+		return
+	}
+
+	var richter string
+
+	desc := args[1]
+
+	switch desc {
+	case "micro":
+		richter = "less than 2.0"
+	case "very minor":
+		richter = "2 - 2.9"
+	case "minor":
+		richter = "3 - 3.9"
+	case "light":
+		richter = "4 - 4.9"
+	case "moderate":
+		richter = "5 - 5.9"
+	case "strong":
+		richter = "6 - 6.9"
+	case "major":
+		richter = "7 - 7.9"
+	case "great":
+		richter = "8 - 8.9"
+	case "massive":
+		richter = "10+"
+	default:
+		richter = "unknown"
+	}
+
+	fmt.Printf(
+		"%s's richter scale is %s\n",
+		desc, richter,
+	)
+}