Enum LengthCode 

pub enum LengthCode {
    Lc0,
    Lc1,
    Lc2,
    Lc3,
    Lc4,
    Lc5,
    Lc6,
    Lc7,
}

EMHEADER length code. OMG XTypes 1.3 §7.4.2.

The code tells a reader how to skip a member it does not understand, which is what makes @mutable evolution work at all.

Variants

Lc0

One byte.

Lc1

Two bytes.

Lc2

Four bytes.

Lc3

Eight bytes.

Lc4

Length in a following NEXTINT.

Lc5

Length as the member’s own leading word, which doubles as the NEXTINT. Required for a variable-length member.

Lc6

Length is NEXTINT times four.

Lc7

Length is NEXTINT times eight.

Implementations

impl LengthCode

pub const ALL: [Self; 8]

Every code XTypes 1.3 defines.

pub const fn bits(self) -> u8

The three-bit code as it appears in the EMHEADER.

pub const fn fixed_size(self) -> Option<u32>

The fixed payload size a code implies, when it implies one.

pub const fn reuses_leading_length(self) -> bool

Whether the member’s own leading length word serves as the NEXTINT, which is what distinguishes LC5 from LC4.

Trait Implementations

impl Clone for LengthCode

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for LengthCode

impl Debug for LengthCode

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

Formats the value using the given formatter.

impl Eq for LengthCode

impl Hash for LengthCode

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for LengthCode

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for LengthCode

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for LengthCode

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

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for LengthCode