solve(learngo): 12-switch

jestenough · Aug 12, 2023 · 78d30c1 · 78d30c1
1 parent e2d8acf
commit 78d30c1
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Showing 21 changed files with 134 additions and 598 deletions.
diff --git a/collections/learngo/12-switch/01-one-case/main.go b/collections/learngo/12-switch/01-one-case/main.go
diff --git a/collections/learngo/12-switch/02-multiple-cases/main.go b/collections/learngo/12-switch/02-multiple-cases/main.go
diff --git a/collections/learngo/12-switch/03-default-clause/main.go b/collections/learngo/12-switch/03-default-clause/main.go
diff --git a/collections/learngo/12-switch/04-multiple-conditions/main.go b/collections/learngo/12-switch/04-multiple-conditions/main.go
diff --git a/collections/learngo/12-switch/05-bool-expressions/main.go b/collections/learngo/12-switch/05-bool-expressions/main.go
diff --git a/collections/learngo/12-switch/06-fallthrough/01-without/main.go b/collections/learngo/12-switch/06-fallthrough/01-without/main.go
diff --git a/collections/learngo/12-switch/06-fallthrough/02-with/main.go b/collections/learngo/12-switch/06-fallthrough/02-with/main.go
diff --git a/collections/learngo/12-switch/07-short-switch/main.go b/collections/learngo/12-switch/07-short-switch/main.go
diff --git a/collections/learngo/12-switch/08-parts-of-the-day/main.go b/collections/learngo/12-switch/08-parts-of-the-day/main.go
diff --git a/collections/learngo/12-switch/09-when-to-use/main.go b/collections/learngo/12-switch/09-when-to-use/main.go
diff --git a/collections/learngo/12-switch/exercises/01-richter-scale/main.go b/collections/learngo/12-switch/exercises/01-richter-scale/main.go
@@ -8,6 +8,12 @@
 
 package main
 
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
 // ---------------------------------------------------------
 // STORY
 //  You're curious about the richter scales. When reporters
@@ -71,4 +77,42 @@ package main
 // ---------------------------------------------------------
 
 func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("Give me the magnitude of the earthquake.")
+		return
+	}
+
+	var (
+		value float64
+		err   error
+	)
+
+	if value, err = strconv.ParseFloat(os.Args[1], 8); err != nil {
+		fmt.Println("I couldn't get that, sorry.")
+		return
+	}
+
+	var valueForMessage string
+	switch r := value; {
+	case r < 2:
+		valueForMessage = "micro"
+	case r >= 2 && r < 3:
+		valueForMessage = "very minor"
+	case r >= 3 && r < 4:
+		valueForMessage = "minor"
+	case r >= 4 && r < 5:
+		valueForMessage = "light"
+	case r >= 5 && r < 6:
+		valueForMessage = "moderate"
+	case r >= 6 && r < 7:
+		valueForMessage = "strong"
+	case r >= 7 && r < 8:
+		valueForMessage = "major"
+	case r >= 8 && r < 10:
+		valueForMessage = "great"
+	default:
+		valueForMessage = "massive"
+	}
+
+	fmt.Printf("%.2f is %s\n", value, valueForMessage)
 }