Исходники и презентации

2025-05-23 07:26:39 +03:00
parent aa948179d5
commit 02d8430a3a
514 changed files with 13773 additions and 0 deletions
--- a/lessons/errors/errorf_with_packing/main.go
+++ b/lessons/errors/errorf_with_packing/main.go
@ -0,0 +1,17 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+)
+
+func main() {
+	err := errors.New("source error")
+	err = fmt.Errorf("additional error information: %w", err)
+	err = fmt.Errorf("internal error: %w", err)
+
+	fmt.Println(err.Error())
+	fmt.Println(errors.Unwrap(err))
+	fmt.Println(errors.Unwrap(errors.Unwrap(err)))
+	fmt.Println(errors.Unwrap(errors.Unwrap(errors.Unwrap(err))))
+}