first

course/6-errors/exercises/5-errors_package/code.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+)
+
+func divide(x, y float64) (float64, error) {
+	if y == 0 {
+		// ?
+	}
+	return x / y, nil
+}
+
+// don't edit below this line
+
+func test(x, y float64) {
+	defer fmt.Println("====================================")
+	fmt.Printf("Dividing %.2f by %.2f ...\n", x, y)
+	quotient, err := divide(x, y)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Printf("Quotient: %.2f\n", quotient)
+}
+
+func main() {
+	test(10, 0)
+	test(10, 2)
+	test(15, 30)
+	test(6, 3)
+}