Function syntaxError

json/codec.go:1012–1022

(b []byte, msg string, args ...any)

}

func syntaxError(b []byte, msg string, args ...any) error {
	e := new(SyntaxError)
	i := syntaxErrorMsgOffset
	if i != ^uintptr(0) {
		s := "json: " + fmt.Sprintf(msg, args...) + ": " + prefix(b)
		p := unsafe.Pointer(e)
		// Hack to set the unexported `msg` field.
		*(*string)(unsafe.Pointer(uintptr(p) + i)) = s
	}
	return e
}

func objectKeyError(b []byte, err error) ([]byte, error) {
	if len(b) == 0 {