#[non_exhaustive]pub enum ConnectionErrorCodeType {
Show 19 variants
ClusterNotFound,
InsufficientCloudhsmHsms,
InsufficientFreeAddressesInSubnet,
InternalError,
InvalidCredentials,
NetworkErrors,
SubnetNotFound,
UserLockedOut,
UserLoggedIn,
UserNotFound,
XksProxyAccessDenied,
XksProxyInvalidConfiguration,
XksProxyInvalidResponse,
XksProxyInvalidTlsConfiguration,
XksProxyNotReachable,
XksProxyTimedOut,
XksVpcEndpointServiceInvalidConfiguration,
XksVpcEndpointServiceNotFound,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against ConnectionErrorCodeType
, it is important to ensure
your code is forward-compatible. That is, if a match arm handles a case for a
feature that is supported by the service but has not been represented as an enum
variant in a current version of SDK, your code should continue to work when you
upgrade SDK to a future version in which the enum does include a variant for that
feature.
Here is an example of how you can make a match expression forward-compatible:
# let connectionerrorcodetype = unimplemented!();
match connectionerrorcodetype {
ConnectionErrorCodeType::ClusterNotFound => { /* ... */ },
ConnectionErrorCodeType::InsufficientCloudhsmHsms => { /* ... */ },
ConnectionErrorCodeType::InsufficientFreeAddressesInSubnet => { /* ... */ },
ConnectionErrorCodeType::InternalError => { /* ... */ },
ConnectionErrorCodeType::InvalidCredentials => { /* ... */ },
ConnectionErrorCodeType::NetworkErrors => { /* ... */ },
ConnectionErrorCodeType::SubnetNotFound => { /* ... */ },
ConnectionErrorCodeType::UserLockedOut => { /* ... */ },
ConnectionErrorCodeType::UserLoggedIn => { /* ... */ },
ConnectionErrorCodeType::UserNotFound => { /* ... */ },
ConnectionErrorCodeType::XksProxyAccessDenied => { /* ... */ },
ConnectionErrorCodeType::XksProxyInvalidConfiguration => { /* ... */ },
ConnectionErrorCodeType::XksProxyInvalidResponse => { /* ... */ },
ConnectionErrorCodeType::XksProxyInvalidTlsConfiguration => { /* ... */ },
ConnectionErrorCodeType::XksProxyNotReachable => { /* ... */ },
ConnectionErrorCodeType::XksProxyTimedOut => { /* ... */ },
ConnectionErrorCodeType::XksVpcEndpointServiceInvalidConfiguration => { /* ... */ },
ConnectionErrorCodeType::XksVpcEndpointServiceNotFound => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when connectionerrorcodetype
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant ConnectionErrorCodeType::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
ConnectionErrorCodeType::Unknown(UnknownVariantValue("NewFeature".to_owned()))
and calling as_str
on it yields "NewFeature"
.
This match expression is forward-compatible when executed with a newer
version of SDK where the variant ConnectionErrorCodeType::NewFeature
is defined.
Specifically, when connectionerrorcodetype
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on ConnectionErrorCodeType::NewFeature
also yielding "NewFeature"
.
Explicitly matching on the Unknown
variant should
be avoided for two reasons:
- The inner data
UnknownVariantValue
is opaque, and no further information can be extracted. - It might inadvertently shadow other intended match arms.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
ClusterNotFound
InsufficientCloudhsmHsms
InsufficientFreeAddressesInSubnet
InternalError
InvalidCredentials
NetworkErrors
SubnetNotFound
UserLockedOut
UserLoggedIn
UserNotFound
XksProxyAccessDenied
XksProxyInvalidConfiguration
XksProxyInvalidResponse
XksProxyInvalidTlsConfiguration
XksProxyNotReachable
XksProxyTimedOut
XksVpcEndpointServiceInvalidConfiguration
XksVpcEndpointServiceNotFound
Unknown(UnknownVariantValue)
Unknown
. See the docs on this enum for the correct way to handle unknown variants.Unknown
contains new variants that have been added since this code was generated.
Implementations§
source§impl ConnectionErrorCodeType
impl ConnectionErrorCodeType
sourcepub fn try_parse(value: &str) -> Result<Self, UnknownVariantError>
pub fn try_parse(value: &str) -> Result<Self, UnknownVariantError>
Parses the enum value while disallowing unknown variants.
Unknown variants will result in an error.
Trait Implementations§
source§impl AsRef<str> for ConnectionErrorCodeType
impl AsRef<str> for ConnectionErrorCodeType
source§impl Clone for ConnectionErrorCodeType
impl Clone for ConnectionErrorCodeType
source§fn clone(&self) -> ConnectionErrorCodeType
fn clone(&self) -> ConnectionErrorCodeType
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for ConnectionErrorCodeType
impl Debug for ConnectionErrorCodeType
source§impl Display for ConnectionErrorCodeType
impl Display for ConnectionErrorCodeType
source§impl From<&str> for ConnectionErrorCodeType
impl From<&str> for ConnectionErrorCodeType
source§impl FromStr for ConnectionErrorCodeType
impl FromStr for ConnectionErrorCodeType
source§impl Hash for ConnectionErrorCodeType
impl Hash for ConnectionErrorCodeType
source§impl Ord for ConnectionErrorCodeType
impl Ord for ConnectionErrorCodeType
source§fn cmp(&self, other: &ConnectionErrorCodeType) -> Ordering
fn cmp(&self, other: &ConnectionErrorCodeType) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
source§impl PartialEq for ConnectionErrorCodeType
impl PartialEq for ConnectionErrorCodeType
source§fn eq(&self, other: &ConnectionErrorCodeType) -> bool
fn eq(&self, other: &ConnectionErrorCodeType) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for ConnectionErrorCodeType
impl PartialOrd for ConnectionErrorCodeType
source§fn partial_cmp(&self, other: &ConnectionErrorCodeType) -> Option<Ordering>
fn partial_cmp(&self, other: &ConnectionErrorCodeType) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moreimpl Eq for ConnectionErrorCodeType
impl StructuralPartialEq for ConnectionErrorCodeType
Auto Trait Implementations§
impl Freeze for ConnectionErrorCodeType
impl RefUnwindSafe for ConnectionErrorCodeType
impl Send for ConnectionErrorCodeType
impl Sync for ConnectionErrorCodeType
impl Unpin for ConnectionErrorCodeType
impl UnwindSafe for ConnectionErrorCodeType
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
key
and return true
if they are equal.