Enum event_store_core::versions::ExpectedVersion

pub enum ExpectedVersion {
    AnyVersion,
    NoStream,
    StreamExists,
    Version(u64),
}

The ExpectedVersion used to define optimistic concurrency

Variants

AnyVersion

Define that we expect a stream in any version

NoStream

Define that we expect a non existing stream

StreamExists

Define that we expect an existing stream

Version(u64)

Define that we expect a stream in a particular version

Implementations

impl ExpectedVersion

pub const fn verify(stream: &Stream, expected: &Self) -> ExpectedVersionResult

Trait Implementations

impl Debug for ExpectedVersion

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

Formats the value using the given formatter.

impl PartialEq<ExpectedVersion> for ExpectedVersion

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

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

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.

impl StructuralPartialEq for ExpectedVersion