Enum aws_sdk_translate::types::Profanity
source · #[non_exhaustive]pub enum Profanity {
Mask,
Unknown(UnknownVariantValue),
}Expand description
When writing a match expression against Profanity, 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 profanity = unimplemented!();
match profanity {
Profanity::Mask => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when profanity represents
NewFeature, the execution path will lead to the second last match arm,
even though the enum does not contain a variant Profanity::NewFeature
in the current version of SDK. The reason is that the variable other,
created by the @ operator, is bound to
Profanity::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 Profanity::NewFeature is defined.
Specifically, when profanity represents NewFeature,
the execution path will hit the second last match arm as before by virtue of
calling as_str on Profanity::NewFeature also yielding "NewFeature".
Explicitly matching on the Unknown variant should
be avoided for two reasons:
- The inner data
UnknownVariantValueis 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
Mask
Unknown(UnknownVariantValue)
Unknown contains new variants that have been added since this code was generated.
Implementations§
Trait Implementations§
source§impl Ord for Profanity
impl Ord for Profanity
source§impl PartialEq<Profanity> for Profanity
impl PartialEq<Profanity> for Profanity
source§impl PartialOrd<Profanity> for Profanity
impl PartialOrd<Profanity> for Profanity
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 Profanity
impl StructuralEq for Profanity
impl StructuralPartialEq for Profanity
Auto Trait Implementations§
impl RefUnwindSafe for Profanity
impl Send for Profanity
impl Sync for Profanity
impl Unpin for Profanity
impl UnwindSafe for Profanity
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> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
key and return true if they are equal.