Enum MetaDataValue

pub enum MetaDataValue {
    Empty,
    String(String),
    UInteger(u64),
    Integer(i64),
    Anything(Arc<dyn MetaDataThing + Send + Sync>),
}

Values that can be stored as metadata

Variants

Empty

No Value,

String(String)

String Value

UInteger(u64)

Unsigned integer

Integer(i64)

Signed integer

Anything(Arc<dyn MetaDataThing + Send + Sync>)

Boxed Any

Implementations

impl MetaDataValue

pub fn is_empty(&self) -> bool

If the metadata value is empty

pub fn as_string(&self) -> Option<String>

If the metadata value is a String

pub fn as_uint(&self) -> Option<u64>

If the metadata value is an unsigned integer

pub fn as_int(&self) -> Option<i64>

If the metadata value is a signed integer

pub fn as_anything(&self) -> Option<&(dyn Any + Send + Sync)>

If the metadata value is an Anything

Trait Implementations

impl Clone for MetaDataValue

fn clone(&self) -> MetaDataValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetaDataValue

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

Formats the value using the given formatter.

impl Default for &MetaDataValue

fn default() -> Self

Returns the “default value” for a type.

impl Default for MetaDataValue

fn default() -> Self

Returns the “default value” for a type.

impl Display for MetaDataValue

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

Formats the value using the given formatter.

impl From<&String> for MetaDataValue

fn from(value: &String) -> Self

Converts to this type from the input type.

impl From<&str> for MetaDataValue

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<String> for MetaDataValue

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<i16> for MetaDataValue

fn from(value: i16) -> Self

Converts to this type from the input type.

impl From<i64> for MetaDataValue

fn from(value: i64) -> Self

Converts to this type from the input type.

impl From<u16> for MetaDataValue

fn from(value: u16) -> Self

Converts to this type from the input type.

impl From<u64> for MetaDataValue

fn from(value: u64) -> Self

Converts to this type from the input type.