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