Organized code and practiced error handling

Just found out nil is the equivalent of NULL

golangr/between-1-10-checker/compare.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+func compare(number float64) {
+	if number >= 1 && number <= 10 {
+		fmt.Printf("%v is between 1 and 10\n", number)
+	} else {
+		fmt.Printf("%v isn't between 1 and 10\n", number)
+	}
+}

golangr/between-1-10-checker/go.mod

@@ -0,0 +1,3 @@
+module between-1-10-checker
+
+go 1.21.6

golangr/between-1-10-checker/main.go

@@ -1,7 +1,5 @@
 package main
 
-import "fmt"
-
 var num float64
 var name string
 
@@ -13,23 +11,7 @@ func main() {
 	compare(num)
 }
 
-func startup(number float64) {
+// You know? This is pretty fun, might be useless to organize so little code like this but it's nice seeing
-	fmt.Printf("Alright %s, give me a number, I will tell you if it's between 1 and 10\n", name)
+// how clean everything afterwards
-	fmt.Printf("Number: ")
-	fmt.Scan(&num)
-	return
-}
 
-func nameget() {
+// Until I learn proper error handling and OS/Network interactions I'll be having fun like this
-	fmt.Println("Welcome to this simple program, may I know your name?\n(Please don't use spaces, I still haven't figured out how to parse them all together into a string)")
-	fmt.Printf("Name: ")
-	fmt.Scanln(&name)
-}
-
-func compare(number float64) {
-	if number >= 1 && number <= 10 {
-		fmt.Printf("The number is between 1 and 10\n")
-	} else {
-		fmt.Printf("The number isn't between 1 and 10\n")
-	}
-}

golangr/between-1-10-checker/nameget.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"fmt"
+	"log"
+)
+
+func nameget() {
+	fmt.Println("Welcome to this simple program, may I know your name?\n(Please don't use spaces, I still haven't figured out how to parse them all together into a string)")
+	fmt.Printf("Name: ")
+
+	// It has come to my attention that scan actually spits out two values, default and err
+	_, err := fmt.Scanln(&name)
+
+	// nil is literally the equivalent of null, we're just checking here if err is not null,
+	// and if it isn't, it means an error has ocurred so we're just gonna panic and kill the program
+	if err != nil {
+		log.Fatal(err)
+	}
+}

golangr/between-1-10-checker/startup.go

@@ -0,0 +1,10 @@
+package main
+
+import "fmt"
+
+func startup(number float64) {
+	fmt.Printf("Alright %s, give me a number, I will tell you if it's between 1 and 10\n", name)
+	fmt.Printf("Number: ")
+	fmt.Scan(&num)
+	return
+}