Struct OptionalPreviousVersion 

pub struct OptionalPreviousVersion(pub Option<PreviousVersion>);

Wrapper for optional previous_version that handles empty objects.

In the API, previous_version can be:

• Missing or null → None
• Empty object {} → None
• Object with identifier → Some(PreviousVersion)

Tuple Fields

0: Option<PreviousVersion>

Trait Implementations

impl Clone for OptionalPreviousVersion

fn clone(&self) -> OptionalPreviousVersion

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OptionalPreviousVersion

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

Formats the value using the given formatter.

impl Default for OptionalPreviousVersion

fn default() -> OptionalPreviousVersion

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for OptionalPreviousVersion

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for OptionalPreviousVersion

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for OptionalPreviousVersion

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 OptionalPreviousVersion