Enum aws_sdk_fsx::types::FileSystemType
source · #[non_exhaustive]pub enum FileSystemType {
Lustre,
Ontap,
Openzfs,
Windows,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against FileSystemType
, 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 filesystemtype = unimplemented!();
match filesystemtype {
FileSystemType::Lustre => { /* ... */ },
FileSystemType::Ontap => { /* ... */ },
FileSystemType::Openzfs => { /* ... */ },
FileSystemType::Windows => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when filesystemtype
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant FileSystemType::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
FileSystemType::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 FileSystemType::NewFeature
is defined.
Specifically, when filesystemtype
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on FileSystemType::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.
The type of file system.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Lustre
Ontap
Openzfs
Windows
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 FileSystemType
impl FileSystemType
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 FileSystemType
impl AsRef<str> for FileSystemType
source§impl Clone for FileSystemType
impl Clone for FileSystemType
source§fn clone(&self) -> FileSystemType
fn clone(&self) -> FileSystemType
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for FileSystemType
impl Debug for FileSystemType
source§impl Display for FileSystemType
impl Display for FileSystemType
source§impl From<&str> for FileSystemType
impl From<&str> for FileSystemType
source§impl FromStr for FileSystemType
impl FromStr for FileSystemType
source§impl Hash for FileSystemType
impl Hash for FileSystemType
source§impl Ord for FileSystemType
impl Ord for FileSystemType
source§fn cmp(&self, other: &FileSystemType) -> Ordering
fn cmp(&self, other: &FileSystemType) -> 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 FileSystemType
impl PartialEq for FileSystemType
source§fn eq(&self, other: &FileSystemType) -> bool
fn eq(&self, other: &FileSystemType) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for FileSystemType
impl PartialOrd for FileSystemType
source§fn partial_cmp(&self, other: &FileSystemType) -> Option<Ordering>
fn partial_cmp(&self, other: &FileSystemType) -> 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 FileSystemType
impl StructuralPartialEq for FileSystemType
Auto Trait Implementations§
impl Freeze for FileSystemType
impl RefUnwindSafe for FileSystemType
impl Send for FileSystemType
impl Sync for FileSystemType
impl Unpin for FileSystemType
impl UnwindSafe for FileSystemType
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