Enum Nullability 

pub enum Nullability {
    Unspecified,
    Nullable,
    NotNull,
}

Whether a property may be absent or explicitly null.

Variants

Unspecified

No nullability evidence has been recorded.

Nullable

Explicit nulls are permitted.

NotNull

Nulls are rejected.

Trait Implementations

impl Clone for Nullability

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Nullability

impl Debug for Nullability

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Nullability

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for Nullability

impl PartialEq for Nullability

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Nullability

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 Nullability