#[non_exhaustive]pub enum RuntimeAnalysisStatus {
AnalysisFailed,
AnalysisStarted,
AnalysisSuccess,
AnalysisToBeScheduled,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against RuntimeAnalysisStatus
, 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 runtimeanalysisstatus = unimplemented!();
match runtimeanalysisstatus {
RuntimeAnalysisStatus::AnalysisFailed => { /* ... */ },
RuntimeAnalysisStatus::AnalysisStarted => { /* ... */ },
RuntimeAnalysisStatus::AnalysisSuccess => { /* ... */ },
RuntimeAnalysisStatus::AnalysisToBeScheduled => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when runtimeanalysisstatus
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant RuntimeAnalysisStatus::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
RuntimeAnalysisStatus::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 RuntimeAnalysisStatus::NewFeature
is defined.
Specifically, when runtimeanalysisstatus
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on RuntimeAnalysisStatus::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
AnalysisFailed
AnalysisStarted
AnalysisSuccess
AnalysisToBeScheduled
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 RuntimeAnalysisStatus
impl RuntimeAnalysisStatus
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 RuntimeAnalysisStatus
impl AsRef<str> for RuntimeAnalysisStatus
source§impl Clone for RuntimeAnalysisStatus
impl Clone for RuntimeAnalysisStatus
source§fn clone(&self) -> RuntimeAnalysisStatus
fn clone(&self) -> RuntimeAnalysisStatus
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for RuntimeAnalysisStatus
impl Debug for RuntimeAnalysisStatus
source§impl Display for RuntimeAnalysisStatus
impl Display for RuntimeAnalysisStatus
source§impl From<&str> for RuntimeAnalysisStatus
impl From<&str> for RuntimeAnalysisStatus
source§impl FromStr for RuntimeAnalysisStatus
impl FromStr for RuntimeAnalysisStatus
source§impl Hash for RuntimeAnalysisStatus
impl Hash for RuntimeAnalysisStatus
source§impl Ord for RuntimeAnalysisStatus
impl Ord for RuntimeAnalysisStatus
source§fn cmp(&self, other: &RuntimeAnalysisStatus) -> Ordering
fn cmp(&self, other: &RuntimeAnalysisStatus) -> 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 RuntimeAnalysisStatus
impl PartialEq for RuntimeAnalysisStatus
source§fn eq(&self, other: &RuntimeAnalysisStatus) -> bool
fn eq(&self, other: &RuntimeAnalysisStatus) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for RuntimeAnalysisStatus
impl PartialOrd for RuntimeAnalysisStatus
source§fn partial_cmp(&self, other: &RuntimeAnalysisStatus) -> Option<Ordering>
fn partial_cmp(&self, other: &RuntimeAnalysisStatus) -> 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 RuntimeAnalysisStatus
impl StructuralPartialEq for RuntimeAnalysisStatus
Auto Trait Implementations§
impl Freeze for RuntimeAnalysisStatus
impl RefUnwindSafe for RuntimeAnalysisStatus
impl Send for RuntimeAnalysisStatus
impl Sync for RuntimeAnalysisStatus
impl Unpin for RuntimeAnalysisStatus
impl UnwindSafe for RuntimeAnalysisStatus
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.source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more