pub struct Expression {
pub kind: Option<Kind>,
}Available on crate feature
declarative-plans only.Fields§
§kind: Option<Kind>Trait Implementations§
Source§impl Clone for Expression
impl Clone for Expression
Source§fn clone(&self) -> Expression
fn clone(&self) -> Expression
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for Expression
impl Debug for Expression
Source§impl Default for Expression
impl Default for Expression
Source§impl From<&Expression> for Expression
impl From<&Expression> for Expression
Source§fn from(expr: &Expression) -> Self
fn from(expr: &Expression) -> Self
Converts to this type from the input type.
Source§impl Message for Expression
impl Message for Expression
Source§fn encoded_len(&self) -> usize
fn encoded_len(&self) -> usize
Returns the encoded length of the message without a length delimiter.
Source§fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>where
Self: Sized,
fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>where
Self: Sized,
Encodes the message to a buffer. Read more
Source§fn encode_to_vec(&self) -> Vec<u8> ⓘwhere
Self: Sized,
fn encode_to_vec(&self) -> Vec<u8> ⓘwhere
Self: Sized,
Encodes the message to a newly allocated buffer.
Source§fn encode_length_delimited(
&self,
buf: &mut impl BufMut,
) -> Result<(), EncodeError>where
Self: Sized,
fn encode_length_delimited(
&self,
buf: &mut impl BufMut,
) -> Result<(), EncodeError>where
Self: Sized,
Encodes the message with a length-delimiter to a buffer. Read more
Source§fn encode_length_delimited_to_vec(&self) -> Vec<u8> ⓘwhere
Self: Sized,
fn encode_length_delimited_to_vec(&self) -> Vec<u8> ⓘwhere
Self: Sized,
Encodes the message with a length-delimiter to a newly allocated buffer.
Source§fn decode(buf: impl Buf) -> Result<Self, DecodeError>where
Self: Default,
fn decode(buf: impl Buf) -> Result<Self, DecodeError>where
Self: Default,
Decodes an instance of the message from a buffer. Read more
Source§fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>where
Self: Default,
fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>where
Self: Default,
Decodes a length-delimited instance of the message from the buffer.
Source§fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>where
Self: Sized,
fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>where
Self: Sized,
Decodes an instance of the message from a buffer, and merges it into
self. Read moreSource§fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>where
Self: Sized,
fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>where
Self: Sized,
Decodes a length-delimited instance of the message from buffer, and
merges it into
self.Source§impl PartialEq for Expression
impl PartialEq for Expression
impl StructuralPartialEq for Expression
Auto Trait Implementations§
impl Freeze for Expression
impl RefUnwindSafe for Expression
impl Send for Expression
impl Sync for Expression
impl Unpin for Expression
impl UnsafeUnpin for Expression
impl UnwindSafe for Expression
Blanket Implementations§
impl<T> Allocation for T
Source§impl<T> AsAny for T
impl<T> AsAny for T
Source§fn any_ref(&self) -> &(dyn Any + Send + Sync + 'static)
fn any_ref(&self) -> &(dyn Any + Send + Sync + 'static)
Obtains a
dyn Any reference to the object: Read moreSource§fn as_any(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ
fn as_any(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ
Obtains an
Arc<dyn Any> reference to the object: Read moreSource§fn into_any(self: Box<T>) -> Box<dyn Any + Send + Sync>
fn into_any(self: Box<T>) -> Box<dyn Any + Send + Sync>
Converts the object to
Box<dyn Any>: Read moreSource§fn type_name(&self) -> &'static str
fn type_name(&self) -> &'static str
Convenient wrapper for
std::any::type_name, since Any does not provide it and
Any::type_id is useless as a debugging aid (its Debug is just a mess of hex digits).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
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> DynPartialEq for T
impl<T> DynPartialEq for T
Source§impl<T> FoldWithOption for T
impl<T> FoldWithOption for T
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> ⓘ
Converts
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> ⓘ
Converts
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 moreSource§impl<T> PolicyExt for Twhere
T: ?Sized,
impl<T> PolicyExt for Twhere
T: ?Sized,
Source§impl<KernelType, ArrowType> TryIntoArrow<ArrowType> for KernelTypewhere
ArrowType: TryFromKernel<KernelType>,
impl<KernelType, ArrowType> TryIntoArrow<ArrowType> for KernelTypewhere
ArrowType: TryFromKernel<KernelType>,
Source§fn try_into_arrow(self) -> Result<ArrowType, ArrowError>
fn try_into_arrow(self) -> Result<ArrowType, ArrowError>
Available on crate feature
arrow-conversion and (crate features arrow-conversion or declarative-plans or default-engine-base) only.Source§impl<KernelType, ArrowType> TryIntoKernel<KernelType> for ArrowTypewhere
KernelType: TryFromArrow<ArrowType>,
impl<KernelType, ArrowType> TryIntoKernel<KernelType> for ArrowTypewhere
KernelType: TryFromArrow<ArrowType>,
Source§fn try_into_kernel(self) -> Result<KernelType, ArrowError>
fn try_into_kernel(self) -> Result<KernelType, ArrowError>
Available on crate feature
arrow-conversion and (crate features arrow-conversion or declarative-plans or default-engine-base) only.