Enum Size 

pub enum Size {
    Known(u64),
    Unknown,
}

Variants

Known(u64)

Unknown

Implementations

impl Size

pub fn is_known(&self) -> bool

Returns true if the size is known and false otherwise.

pub fn is_unknown(&self) -> bool

Returns true if the size is unknown and false otherwise.

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

Returns the size if known, otherwise returns None.

Trait Implementations

impl Clone for Size

fn clone(&self) -> Size

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Size

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

Formats the value using the given formatter.

impl Default for Size

fn default() -> Size

Returns the “default value” for a type.

impl From<Option<u64>> for Size

fn from(value: Option<u64>) -> Self

Converts to this type from the input type.

impl From<u64> for Size

fn from(value: u64) -> Self

Converts to this type from the input type.

impl PartialEq for Size

fn eq(&self, other: &Size) -> 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 Size

impl Eq for Size

impl StructuralPartialEq for Size