Enum prost_types::NullValue

pub enum NullValue {
    NullValue,
}

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

The JSON representation for NullValue is JSON null.

Variants

NullValue

Null value.

Methods

impl NullValue

fn is_valid(value: i32) -> bool

Returns true if value is a variant of NullValue.

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

Converts an i32 to a NullValue, or None if value is not a valid variant.

Trait Implementations

impl Default for NullValue

fn default() -> NullValue

Returns the "default value" for a type.

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 Copy for NullValue

impl Debug for NullValue

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl PartialEq for NullValue

fn eq(&self, __arg_0: &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 Eq for NullValue