#[repr(transparent)]pub struct MessageHeader(pub u8);
Expand description
The root Message type This union enables us to easily send different message types without redundant storage, and in the future we can easily add new message types.
Arrow implementations do not need to implement all of the message types, which may include experimental metadata types. For maximum compatibility, it is best to send data using RecordBatch
Tuple Fields
0: u8
Implementations
sourceimpl MessageHeader
impl MessageHeader
pub const NONE: Self = Self(0)
pub const Schema: Self = Self(1)
pub const DictionaryBatch: Self = Self(2)
pub const RecordBatch: Self = Self(3)
pub const Tensor: Self = Self(4)
pub const SparseTensor: Self = Self(5)
pub const ENUM_MIN: u8 = 0u8
pub const ENUM_MAX: u8 = 5u8
pub const ENUM_VALUES: &'static [Self] = &[ Self::NONE, Self::Schema, Self::DictionaryBatch, Self::RecordBatch, Self::Tensor, Self::SparseTensor, ]
sourcepub fn variant_name(self) -> Option<&'static str>
pub fn variant_name(self) -> Option<&'static str>
Returns the variant’s name or “” if unknown.
Trait Implementations
sourceimpl Clone for MessageHeader
impl Clone for MessageHeader
sourcefn clone(&self) -> MessageHeader
fn clone(&self) -> MessageHeader
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for MessageHeader
impl Debug for MessageHeader
sourceimpl EndianScalar for MessageHeader
impl EndianScalar for MessageHeader
fn to_little_endian(self) -> Self
fn from_little_endian(self) -> Self
sourceimpl<'a> Follow<'a> for MessageHeader
impl<'a> Follow<'a> for MessageHeader
sourceimpl Hash for MessageHeader
impl Hash for MessageHeader
sourceimpl Ord for MessageHeader
impl Ord for MessageHeader
sourceimpl PartialEq<MessageHeader> for MessageHeader
impl PartialEq<MessageHeader> for MessageHeader
sourcefn eq(&self, other: &MessageHeader) -> bool
fn eq(&self, other: &MessageHeader) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &MessageHeader) -> bool
fn ne(&self, other: &MessageHeader) -> bool
This method tests for !=
.
sourceimpl PartialOrd<MessageHeader> for MessageHeader
impl PartialOrd<MessageHeader> for MessageHeader
sourcefn partial_cmp(&self, other: &MessageHeader) -> Option<Ordering>
fn partial_cmp(&self, other: &MessageHeader) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
sourceimpl Push for MessageHeader
impl Push for MessageHeader
sourceimpl<'a> Verifiable for MessageHeader
impl<'a> Verifiable for MessageHeader
sourcefn run_verifier(
v: &mut Verifier<'_, '_>,
pos: usize
) -> Result<(), InvalidFlatbuffer>
fn run_verifier(
v: &mut Verifier<'_, '_>,
pos: usize
) -> Result<(), InvalidFlatbuffer>
Runs the verifier for this type, assuming its at position pos
in the verifier’s buffer.
Should not need to be called directly. Read more
impl Copy for MessageHeader
impl Eq for MessageHeader
impl SimpleToVerifyInSlice for MessageHeader
impl StructuralEq for MessageHeader
impl StructuralPartialEq for MessageHeader
Auto Trait Implementations
impl RefUnwindSafe for MessageHeader
impl Send for MessageHeader
impl Sync for MessageHeader
impl Unpin for MessageHeader
impl UnwindSafe for MessageHeader
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
sourcefn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to key
and return true
if they are equal.
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more