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