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chore: add comments

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kevin 2023-03-06 23:29:26 +08:00 committed by Kevin Wan
parent a972f400c6
commit dd347e96b0
1 changed files with 3 additions and 1 deletions
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4
core/conf/config.go
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@ -258,13 +258,15 @@ func buildStructFieldsInfo(tp reflect.Type) (*fieldInfo, error) {
return info, nil
}
// getTagName get the tag name of the given field, if no tag name, use file.Name.
// field.Name is returned on tags like `json:""` and `json:",optional"`.
func getTagName(field reflect.StructField) string {
if tag, ok := field.Tag.Lookup(jsonTagKey); ok {
if pos := strings.IndexByte(tag, jsonTagSep); pos >= 0 {
tag = tag[:pos]
}
tag = strings.TrimSpace(tag)
tag = strings.TrimSpace(tag)
if len(tag) > 0 {
return tag
}