Struct EventSchemaVersion 

pub struct EventSchemaVersion(/* private fields */);

Version of a ceremony event’s payload shape.

Every event type versions its payload on its own, apart from the record envelope around it: adding, renaming or reinterpreting a field is a new version with a reader for the old one, never an in-place edit. The version is sealed into the record’s digest, so a payload cannot be reread under a shape it was not written in without the chain noticing.

On the wire it is the bare number; zero is refused on the way in.

Implementations

impl EventSchemaVersion

pub const V1: Self

The first payload shape of every event type, and today the only one.

pub const V2: Self

pub const V3: Self

pub const V4: Self

pub const V5: Self

pub const V6: Self

pub fn new(value: u32) -> Result<Self, DomainError>

pub const fn get(self) -> u32

Trait Implementations

impl Clone for EventSchemaVersion

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 EventSchemaVersion

impl Debug for EventSchemaVersion

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EventSchemaVersion

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for EventSchemaVersion

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

Formats the value using the given formatter.

impl Eq for EventSchemaVersion

impl From<EventSchemaVersion> for u32

fn from(version: EventSchemaVersion) -> Self

Converts to this type from the input type.

impl Hash for EventSchemaVersion

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 EventSchemaVersion

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 EventSchemaVersion

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for EventSchemaVersion

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 Serialize for EventSchemaVersion

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for EventSchemaVersion

impl TryFrom<u32> for EventSchemaVersion

type Error = DomainError

The type returned in the event of a conversion error.

fn try_from(value: u32) -> Result<Self, Self::Error>

Performs the conversion.