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feat: provide a RegisterTagNameFunc() #72

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merged 1 commit into from
Mar 5, 2021
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feat: provide a RegisterTagNameFunc() #72

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
*TODO*
.history/
15 changes: 15 additions & 0 deletions tonic/handler.go
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Expand Up @@ -150,6 +150,21 @@ func RegisterValidation(tagName string, validationFunc validator.Func) error {
return validatorObj.RegisterValidation(tagName, validationFunc)
}

// RegisterTagNameFunc registers a function to get alternate names for StructFields.
//
// eg. to use the names which have been specified for JSON representations of structs, rather than normal Go field names:
//
// validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
// name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
// if name == "-" {
// return ""
// }
// return name
// }
func RegisterTagNameFunc(registerTagFunc validator.TagNameFunc) {
validatorObj.RegisterTagNameFunc(registerTagFunc)
}

func initValidator() {
validatorOnce.Do(func() {
validatorObj = validator.New()
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