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