doc(errors): mention RegisterTagNameFunc for FieldError.Field

fixes go-playground#337
khan-ajamal · Jan 6, 2025 · bba37c3 · bba37c3
1 parent 6c3307e
commit bba37c3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/errors.go b/errors.go
@@ -118,6 +118,8 @@ type FieldError interface {
 	// Field returns the fields name with the tag name taking precedence over the
 	// field's actual name.
 	//
+	// `RegisterTagNameFunc` must be registered to get tag value.
+	//
 	// eq. JSON name "fname"
 	// see StructField for comparison
 	Field() string