fix: refactor feet to meter exercises

09-go-type-system/exercises/05-refactor-feet-to-meter/main.go

@@ -20,7 +20,7 @@ package main
 func main() {
 	// ----------------------------
 	// 1. Define Feet and Meters types below
-	//    Their underlying type can be int64
+	//    Their underlying type can be float64
 	// ...
 
 	// ----------------------------
@@ -32,7 +32,7 @@ func main() {
 
 	// ----------------------------
 	// 3. Get feet value from the command-line
-	// 4. Convert it to an int64 first using ParseFloat
+	// 4. Convert it to an float64 first using ParseFloat
 	// 5. Then, convert it into a Feet type
 	// ... TYPE YOUR CODE HERE
 

09-go-type-system/exercises/05-refactor-feet-to-meter/solution/main.go

@@ -13,11 +13,12 @@ import (
 	"strconv"
 )
 
-// WHY?
-// Because, you can add methods to your types in the future
-// And, they're type-safe and more readable now.
-
 func main() {
+	// WHY ADDING YOUR OWN TYPES IS IMPORTANT?
+	//
+	// 1. Type-Safety
+	// 2. Increased Readability
+	// 3. Adding Methods to your Types
 	type (
 		Feet   float64
 		Meters float64