Enum aws_sdk_mediaconvert::types::RespondToAfd
source · #[non_exhaustive]pub enum RespondToAfd {
None,
Passthrough,
Respond,
Unknown(UnknownVariantValue),
}
Expand description
When writing a match expression against RespondToAfd
, 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 respondtoafd = unimplemented!();
match respondtoafd {
RespondToAfd::None => { /* ... */ },
RespondToAfd::Passthrough => { /* ... */ },
RespondToAfd::Respond => { /* ... */ },
other @ _ if other.as_str() == "NewFeature" => { /* handles a case for `NewFeature` */ },
_ => { /* ... */ },
}
The above code demonstrates that when respondtoafd
represents
NewFeature
, the execution path will lead to the second last match arm,
even though the enum does not contain a variant RespondToAfd::NewFeature
in the current version of SDK. The reason is that the variable other
,
created by the @
operator, is bound to
RespondToAfd::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 RespondToAfd::NewFeature
is defined.
Specifically, when respondtoafd
represents NewFeature
,
the execution path will hit the second last match arm as before by virtue of
calling as_str
on RespondToAfd::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. Use Respond to AFD to specify how the service changes the video itself in response to AFD values in the input. * Choose Respond to clip the input video frame according to the AFD value, input display aspect ratio, and output display aspect ratio. * Choose Passthrough to include the input AFD values. Do not choose this when AfdSignaling is set to NONE. A preferred implementation of this workflow is to set RespondToAfd to and set AfdSignaling to AUTO. * Choose None to remove all input AFD values from this output.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
None
Passthrough
Respond
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 RespondToAfd
impl RespondToAfd
source§impl RespondToAfd
impl RespondToAfd
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 RespondToAfd
impl AsRef<str> for RespondToAfd
source§impl Clone for RespondToAfd
impl Clone for RespondToAfd
source§fn clone(&self) -> RespondToAfd
fn clone(&self) -> RespondToAfd
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for RespondToAfd
impl Debug for RespondToAfd
source§impl Display for RespondToAfd
impl Display for RespondToAfd
source§impl From<&str> for RespondToAfd
impl From<&str> for RespondToAfd
source§impl FromStr for RespondToAfd
impl FromStr for RespondToAfd
source§impl Hash for RespondToAfd
impl Hash for RespondToAfd
source§impl Ord for RespondToAfd
impl Ord for RespondToAfd
source§fn cmp(&self, other: &RespondToAfd) -> Ordering
fn cmp(&self, other: &RespondToAfd) -> 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 RespondToAfd
impl PartialEq for RespondToAfd
source§fn eq(&self, other: &RespondToAfd) -> bool
fn eq(&self, other: &RespondToAfd) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for RespondToAfd
impl PartialOrd for RespondToAfd
source§fn partial_cmp(&self, other: &RespondToAfd) -> Option<Ordering>
fn partial_cmp(&self, other: &RespondToAfd) -> 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 RespondToAfd
impl StructuralPartialEq for RespondToAfd
Auto Trait Implementations§
impl Freeze for RespondToAfd
impl RefUnwindSafe for RespondToAfd
impl Send for RespondToAfd
impl Sync for RespondToAfd
impl Unpin for RespondToAfd
impl UnwindSafe for RespondToAfd
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