pub fn is_missing_required_parameter(&self) -> bool {
        matches!(
            &self.kind,
            UpdateStateMachineErrorKind::MissingRequiredParameter(_)
        )
    }
/// Returns `true` if the error kind is `UpdateStateMachineErrorKind::MissingRequiredParameter`.
Returns `true` if the error kind is `UpdateStateMachineErrorKind::MissingRequiredParameter`.
Returns ` true ` if the error kind is ` UpdateStateMachineErrorKind :: MissingRequiredParameter ` .
pub fn is_missing_required_parameter(&self) -> bool {
        matches!(
            &self.kind,
            UpdateStateMachineErrorKind::MissingRequiredParameter(_)
        )
    }
pub fn is_missing_required_parameter ( & self ) -> bool { matches ! ( self kind UpdateStateMachineErrorKind MissingRequiredParameter ( ) ) }
Returns `true` if the error kind is `UpdateStateMachineErrorKind::MissingRequiredParameter`.
Returns ` true ` if the error kind is ` UpdateStateMachineErrorKind :: MissingRequiredParameter ` .
&self
&self