Enum Nullable 

pub enum Nullable<T> {
    Null,
    Value(T),
}

A present JSON value that may explicitly be null. Required fields also use the generated required-field deserializer so absence cannot become null.

Variants

Null

Value(T)

Trait Implementations

impl<T: Clone> Clone for Nullable<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 Nullable<T>

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

Formats the value using the given formatter.

impl<'de, T: DeserializeOwned> Deserialize<'de> for Nullable<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 Nullable<T>

impl<T: PartialEq> PartialEq for Nullable<T>

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

Equality operator ==.

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

Inequality operator !=.

impl<T: Serialize> Serialize for Nullable<T>

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

Serialize this value into the given Serde serializer.

impl<T: Shape> Shape for Nullable<T>

fn matches(value: &Value) -> bool

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