Enum Nullable

pub enum Nullable {
    NotNull,
    Null,
}

Represents whether a value is explicitly specified as either null or not null.

Variants

NotNull

Null

Trait Implementations

impl Clone for Nullable

fn clone(&self) -> Nullable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Nullable

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

Formats the value using the given formatter.

impl PartialEq for Nullable

fn eq(&self, other: &Nullable) -> 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 Eq for Nullable

impl StructuralPartialEq for Nullable