Enum protobuf::well_known_types::NullValue

pub enum NullValue {
    NULL_VALUE,
}

NullValue is a singleton enumeration to represent the null value for the Value type union.

The JSON representation for NullValue is JSON null.

Variants

NULL_VALUE

Trait Implementations

impl Clone for NullValue

fn clone(&self) -> NullValue

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for NullValue

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

Formats the value using the given formatter.

impl Default for NullValue

fn default() -> Self

Returns the “default value” for a type.

impl Enum for NullValue

const NAME: &'static str = "NullValue"

Enum name as specified in .proto file.

fn value(&self) -> i32

Get enum i32 value.

fn from_i32(value: i32) -> Option<NullValue>

Try to create an enum from i32 value. Return None if value is unknown.

const VALUES: &'static [NullValue] = &[ NullValue::NULL_VALUE, ]

All enum values for enum type.

impl EnumFull for NullValue

fn enum_descriptor() -> EnumDescriptor

Get enum descriptor by type.

fn descriptor(&self) -> EnumValueDescriptor

Get enum value descriptor.

impl Hash for NullValue

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<NullValue> for NullValue

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Copy for NullValue

impl Eq for NullValue

impl StructuralEq for NullValue

impl StructuralPartialEq for NullValue