Исходники и презентации

lessons/errors/incorrect_wrapping/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+)
+
+func main() {
+	err1 := errors.New("source error 1")
+	err2 := errors.New("source error 2")
+	err := fmt.Errorf("additional error information: %w and %w", err1, err2)
+
+	fmt.Println(err.Error())
+	fmt.Println(errors.Unwrap(err))
+
+	err = fmt.Errorf("additional error information: %w", "error")
+
+	fmt.Println(err.Error())
+	fmt.Println(errors.Unwrap(err))
+}