Enum OptionFile 

#[repr(C, u8)]
pub enum OptionFile {
    None,
    Some(File),
}

Variants

None

Some(File)

Implementations

impl OptionFile

pub fn into_option(&self) -> Option<File>

impl OptionFile

pub fn as_option(&self) -> Option<&File>

pub fn replace(&mut self, value: File) -> OptionFile

pub fn is_some(&self) -> bool

pub fn is_none(&self) -> bool

pub const fn as_ref(&self) -> Option<&File>

pub fn as_mut(&mut self) -> Option<&mut File>

pub fn map<U, F: FnOnce(File) -> U>(self, f: F) -> Option<U>

pub fn and_then<U, F>(self, f: F) -> Option<U>

where F: FnOnce(File) -> Option<U>,

Trait Implementations

impl Clone for OptionFile

fn clone(&self) -> OptionFile

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OptionFile

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

Formats the value using the given formatter.

impl Default for OptionFile

fn default() -> OptionFile

Returns the “default value” for a type.

impl From<Option<File>> for OptionFile

fn from(o: Option<File>) -> OptionFile

Converts to this type from the input type.

impl From<OptionFile> for Option<File>

fn from(o: OptionFile) -> Option<File>

Converts to this type from the input type.