Enum aws_sdk_sagemaker::types::AutotuneMode
source · #[non_exhaustive]pub enum AutotuneMode {
Enabled,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against AutotuneMode
, 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 autotunemode = unimplemented!();
match autotunemode {
AutotuneMode::Enabled => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when autotunemode
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant AutotuneMode::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
AutotuneMode::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 AutotuneMode::NewFeature
is defined.
Specifically, when autotunemode
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on AutotuneMode::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
Enabled
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 AutotuneMode
impl AutotuneMode
source§impl AutotuneMode
impl AutotuneMode
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 AutotuneMode
impl AsRef<str> for AutotuneMode
source§impl Clone for AutotuneMode
impl Clone for AutotuneMode
source§fn clone(&self) -> AutotuneMode
fn clone(&self) -> AutotuneMode
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for AutotuneMode
impl Debug for AutotuneMode
source§impl Display for AutotuneMode
impl Display for AutotuneMode
source§impl From<&str> for AutotuneMode
impl From<&str> for AutotuneMode
source§impl FromStr for AutotuneMode
impl FromStr for AutotuneMode
source§impl Hash for AutotuneMode
impl Hash for AutotuneMode
source§impl Ord for AutotuneMode
impl Ord for AutotuneMode
source§fn cmp(&self, other: &AutotuneMode) -> Ordering
fn cmp(&self, other: &AutotuneMode) -> 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 AutotuneMode
impl PartialEq for AutotuneMode
source§impl PartialOrd for AutotuneMode
impl PartialOrd for AutotuneMode
impl Eq for AutotuneMode
impl StructuralPartialEq for AutotuneMode
Auto Trait Implementations§
impl Freeze for AutotuneMode
impl RefUnwindSafe for AutotuneMode
impl Send for AutotuneMode
impl Sync for AutotuneMode
impl Unpin for AutotuneMode
impl UnwindSafe for AutotuneMode
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<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)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