Struct rerun::dataframe::external::re_chunk::external::arrow::ipc::MetadataVersion

#[repr(transparent)]
pub struct MetadataVersion(pub i16);

Tuple Fields§

§0: i16

Implementations§

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impl MetadataVersion

pub const V1: MetadataVersion = _

0.1.0 (October 2016).

pub const V2: MetadataVersion = _

0.2.0 (February 2017). Non-backwards compatible with V1.

pub const V3: MetadataVersion = _

0.3.0 -> 0.7.1 (May - December 2017). Non-backwards compatible with V2.

pub const V4: MetadataVersion = _

= 0.8.0 (December 2017). Non-backwards compatible with V3.

pub const V5: MetadataVersion = _

= 1.0.0 (July 2020). Backwards compatible with V4 (V5 readers can read V4 metadata and IPC messages). Implementations are recommended to provide a V4 compatibility mode with V5 format changes disabled.

Incompatible changes between V4 and V5:

  • Union buffer layout has changed. In V5, Unions don’t have a validity bitmap buffer.

pub const ENUM_MIN: i16 = 0i16

pub const ENUM_MAX: i16 = 4i16

pub const ENUM_VALUES: &'static [MetadataVersion] = _

pub fn variant_name(self) -> Option<&'static str>

Returns the variant’s name or “” if unknown.

Trait Implementations§

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impl Clone for MetadataVersion

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fn clone(&self) -> MetadataVersion

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MetadataVersion

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for MetadataVersion

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fn default() -> MetadataVersion

Returns the “default value” for a type. Read more
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impl EndianScalar for MetadataVersion

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type Scalar = i16

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fn to_little_endian(self) -> i16

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fn from_little_endian(v: i16) -> MetadataVersion

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impl<'a> Follow<'a> for MetadataVersion

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type Inner = MetadataVersion

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unsafe fn follow( buf: &'a [u8], loc: usize, ) -> <MetadataVersion as Follow<'a>>::Inner

Safety Read more
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impl Hash for MetadataVersion

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for MetadataVersion

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fn cmp(&self, other: &MetadataVersion) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for MetadataVersion

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fn eq(&self, other: &MetadataVersion) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for MetadataVersion

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fn partial_cmp(&self, other: &MetadataVersion) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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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
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · source§

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Push for MetadataVersion

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type Output = MetadataVersion

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unsafe fn push(&self, dst: &mut [u8], _written_len: usize)

Safety Read more
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fn size() -> usize

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fn alignment() -> PushAlignment

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impl<'a> Verifiable for MetadataVersion

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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.
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impl Copy for MetadataVersion

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impl Eq for MetadataVersion

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impl SimpleToVerifyInSlice for MetadataVersion

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impl StructuralPartialEq for MetadataVersion

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