Исходники и презентации

lessons/errors/error_flag/main.go

@@ -0,0 +1,32 @@
+package main
+
+import "fmt"
+
+func divideV1(lhs, rhs int) (int, bool) {
+	if rhs == 0 {
+		return 0, false
+	}
+
+	return lhs / rhs, true
+}
+
+func divideV2(lhs, rhs int, status *bool) int {
+	*status = false
+	if rhs == 0 {
+		return 0
+	}
+
+	*status = true
+	return lhs / rhs
+}
+
+func main() {
+	x := 100
+	y := 0
+
+	value, ok := divideV1(x, y)
+	fmt.Println(value, ok)
+
+	value = divideV2(x, y, &ok)
+	fmt.Println(value, ok)
+}