[plc4x] 04/14: plc4go: when we try to box nil we just return an empty string

[sr...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

sruehl pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/plc4x.git

commit 4ea6b3b8321741422ea5adbee91e26f166316cd4
Author: Sebastian Rühl <sr...@apache.org>
AuthorDate: Wed Apr 14 00:47:01 2021 +0200

    plc4go: when we try to box nil we just return an empty string
---
 plc4go/internal/plc4go/spi/utils/asciiBox.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plc4go/internal/plc4go/spi/utils/asciiBox.go b/plc4go/internal/plc4go/spi/utils/asciiBox.go
index 914adb2..698369a 100644
--- a/plc4go/internal/plc4go/spi/utils/asciiBox.go
+++ b/plc4go/internal/plc4go/spi/utils/asciiBox.go
@@ -49,6 +49,8 @@ type AsciiBoxer interface {
 
 func BoxAnything(name string, anything interface{}, charWidth int) AsciiBox {
 	switch anything.(type) {
+	case nil:
+		return ""
 	case AsciiBoxer:
 		// A box usually has its own name
 		return anything.(AsciiBoxer).Box(name, charWidth)