Enum Nullable 

pub enum Nullable {
    Null,
    NotNull,
}

Variants

Null

NotNull

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 Display for Nullable

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

Formats the value using the given formatter.

impl From<bool> for Nullable

fn from(b: bool) -> Self

Converts to this type from the input type.

impl From<u8> for Nullable

fn from(u: u8) -> Self

Converts to this type from the input type.

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 Copy for Nullable

impl StructuralPartialEq for Nullable