Enum Patch 

pub enum Patch<T> {
    Unchanged,
    Clear,
    Set(T),
}

A mutation field that may be left unchanged, cleared, or set.

Variants

Unchanged

Omit the field from the request.

Clear

Send JSON null to clear the existing value.

Set(T)

Send a new value.

Implementations

impl<T> Patch<T>

pub fn is_unchanged(&self) -> bool

Whether the field should be omitted when serialized as a struct field.

Trait Implementations

impl<T: Clone> Clone for Patch<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Patch<T>

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

Formats the value using the given formatter.

impl<T> Default for Patch<T>

fn default() -> Self

Returns the “default value” for a type.

impl<'de, T: Deserialize<'de>> Deserialize<'de> for Patch<T>

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

Deserialize this value from the given Serde deserializer.

impl<T: Eq> Eq for Patch<T>

impl<T: PartialEq> PartialEq for Patch<T>

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

Equality operator ==.

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

Inequality operator !=.

impl<T: Serialize> Serialize for Patch<T>

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl<T: PartialEq> StructuralPartialEq for Patch<T>