#[non_exhaustive]pub enum AwsLogSourceName {
CloudTrailMgmt,
EksAudit,
LambdaExecution,
Route53,
S3Data,
ShFindings,
VpcFlow,
Waf,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against AwsLogSourceName
, 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 awslogsourcename = unimplemented!();
match awslogsourcename {
AwsLogSourceName::CloudTrailMgmt => { /* ... */ },
AwsLogSourceName::EksAudit => { /* ... */ },
AwsLogSourceName::LambdaExecution => { /* ... */ },
AwsLogSourceName::Route53 => { /* ... */ },
AwsLogSourceName::S3Data => { /* ... */ },
AwsLogSourceName::ShFindings => { /* ... */ },
AwsLogSourceName::VpcFlow => { /* ... */ },
AwsLogSourceName::Waf => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when awslogsourcename
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant AwsLogSourceName::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
AwsLogSourceName::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 AwsLogSourceName::NewFeature
is defined.
Specifically, when awslogsourcename
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on AwsLogSourceName::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
CloudTrailMgmt
EksAudit
LambdaExecution
Route53
S3Data
ShFindings
VpcFlow
Waf
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 AwsLogSourceName
impl AwsLogSourceName
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 AwsLogSourceName
impl AsRef<str> for AwsLogSourceName
Source§impl Clone for AwsLogSourceName
impl Clone for AwsLogSourceName
Source§fn clone(&self) -> AwsLogSourceName
fn clone(&self) -> AwsLogSourceName
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moreSource§impl Debug for AwsLogSourceName
impl Debug for AwsLogSourceName
Source§impl Display for AwsLogSourceName
impl Display for AwsLogSourceName
Source§impl From<&str> for AwsLogSourceName
impl From<&str> for AwsLogSourceName
Source§impl FromStr for AwsLogSourceName
impl FromStr for AwsLogSourceName
Source§impl Hash for AwsLogSourceName
impl Hash for AwsLogSourceName
Source§impl Ord for AwsLogSourceName
impl Ord for AwsLogSourceName
Source§fn cmp(&self, other: &AwsLogSourceName) -> Ordering
fn cmp(&self, other: &AwsLogSourceName) -> 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 AwsLogSourceName
impl PartialEq for AwsLogSourceName
Source§impl PartialOrd for AwsLogSourceName
impl PartialOrd for AwsLogSourceName
impl Eq for AwsLogSourceName
impl StructuralPartialEq for AwsLogSourceName
Auto Trait Implementations§
impl Freeze for AwsLogSourceName
impl RefUnwindSafe for AwsLogSourceName
impl Send for AwsLogSourceName
impl Sync for AwsLogSourceName
impl Unpin for AwsLogSourceName
impl UnwindSafe for AwsLogSourceName
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