Enum MetadataChangeKind 

pub enum MetadataChangeKind {
    Added,
    Removed,
    Modified,
}

Whether a document-metadata field was added, removed, or modified.

Variants

Added

Field gained a value (old absent, new present).

Removed

Field lost a value (old present, new absent).

Modified

Field’s value changed (both present, different).

Trait Implementations

impl Clone for MetadataChangeKind

fn clone(&self) -> MetadataChangeKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MetadataChangeKind

impl Debug for MetadataChangeKind

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MetadataChangeKind

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for MetadataChangeKind

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

Formats the value using the given formatter.

impl Eq for MetadataChangeKind

impl PartialEq for MetadataChangeKind

fn eq(&self, other: &MetadataChangeKind) -> 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 MetadataChangeKind

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 MetadataChangeKind