Struct option_lock::OptionGuardArc

pub struct OptionGuardArc<T> { /* fields omitted */ }

A write guard for the value of an Arc<OptionLock>

Implementations

impl<T> OptionGuardArc<T>

pub fn as_ref(&self) -> Option<&T>

Obtain a shared reference to the contained value, if any.

pub fn as_mut_ref(&mut self) -> Option<&mut T>

Obtain an exclusive reference to the contained value, if any.

pub fn is_none(&self) -> bool

Check if the lock contains None.

pub fn is_some(&self) -> bool

Check if the lock contains Some(T).

pub fn replace(&mut self, value: T) -> Option<T>

Replace the value in the lock, returning the previous value, if any.

pub fn take(&mut self) -> Option<T>

Take the current value from the lock, if any.

Trait Implementations

impl<T: Debug> Debug for OptionGuardArc<T>

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

Formats the value using the given formatter.

impl<T> Drop for OptionGuardArc<T>

fn drop(&mut self)

Executes the destructor for this type.

impl<T: Send> Send for OptionGuardArc<T>

impl<T: Sync> Sync for OptionGuardArc<T>